21386864772

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{19843}}^1$

素因数の和:19927

約数の個数: 216

約数和(自身を含む): 69169516416

約数和(自身を除く): 47782651644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 47, 49, 52, 63, 78, 84, 91, 94, 98, 117, 126, 141, 147, 156, 182, 188, 196, 234, 252, 273, 282, 294, 329, 364, 423, 441, 468, 546, 564, 588, 611, 637, 658, 819, 846, 882, 987, 1092, 1222, 1274, 1316, 1638, 1692, 1764, 1833, 1911, 1974, 2303, 2444, 2548, 2961, 3276, 3666, 3822, 3948, 4277, 4606, 5499, 5733, 5922, 6909, 7332, 7644, 8554, 9212, 10998, 11466, 11844, 12831, 13818, 17108, 19843, 20727, 21996, 22932, 25662, 27636, 29939, 38493, 39686, 41454, 51324, 59529, 59878, 76986, 79372, 82908, 89817, 119058, 119756, 138901, 153972, 178587, 179634, 238116, 257959, 269451, 277802, 357174, 359268, 416703, 515918, 538902, 555604, 714348, 773877, 833406, 932621, 972307, 1031836, 1077804, 1250109, 1547754, 1666812, 1805713, 1865242, 1944614, 2321631, 2500218, 2797863, 2916921, 3095508, 3611426, 3730484, 3889228, 4643262, 5000436, 5417139, 5595726, 5833842, 6528347, 7222852, 8393589, 8750763, 9286524, 10834278, 11191452, 11667684, 12124073, 12639991, 13056694, 16251417, 16787178, 17501526, 19585041, 21668556, 24248146, 25279982, 26113388, 32502834, 33574356, 35003052, 36372219, 37919973, 39170082, 45698429, 48496292, 50559964, 58755123, 65005668, 72744438, 75839946, 78340164, 84868511, 91396858, 109116657, 113759919, 117510246, 137095287, 145488876, 151679892, 169737022, 182793716, 218233314, 227519838, 235020492, 254605533, 274190574, 339474044, 411285861, 436466628, 455039676, 509211066, 548381148, 594079577, 763816599, 822571722, 1018422132, 1188159154, 1527633198, 1645143444, 1782238731, 2376318308, 3055266396, 3564477462, 5346716193, 7128954924, 10693432386, 21386864772]

約数ペア:

[(1, 21386864772), (2, 10693432386), (3, 7128954924), (4, 5346716193), (6, 3564477462), (7, 3055266396), (9, 2376318308), (12, 1782238731), (13, 1645143444), (14, 1527633198), (18, 1188159154), (21, 1018422132), (26, 822571722), (28, 763816599), (36, 594079577), (39, 548381148), (42, 509211066), (47, 455039676), (49, 436466628), (52, 411285861), (63, 339474044), (78, 274190574), (84, 254605533), (91, 235020492), (94, 227519838), (98, 218233314), (117, 182793716), (126, 169737022), (141, 151679892), (147, 145488876), (156, 137095287), (182, 117510246), (188, 113759919), (196, 109116657), (234, 91396858), (252, 84868511), (273, 78340164), (282, 75839946), (294, 72744438), (329, 65005668), (364, 58755123), (423, 50559964), (441, 48496292), (468, 45698429), (546, 39170082), (564, 37919973), (588, 36372219), (611, 35003052), (637, 33574356), (658, 32502834), (819, 26113388), (846, 25279982), (882, 24248146), (987, 21668556), (1092, 19585041), (1222, 17501526), (1274, 16787178), (1316, 16251417), (1638, 13056694), (1692, 12639991), (1764, 12124073), (1833, 11667684), (1911, 11191452), (1974, 10834278), (2303, 9286524), (2444, 8750763), (2548, 8393589), (2961, 7222852), (3276, 6528347), (3666, 5833842), (3822, 5595726), (3948, 5417139), (4277, 5000436), (4606, 4643262), (5499, 3889228), (5733, 3730484), (5922, 3611426), (6909, 3095508), (7332, 2916921), (7644, 2797863), (8554, 2500218), (9212, 2321631), (10998, 1944614), (11466, 1865242), (11844, 1805713), (12831, 1666812), (13818, 1547754), (17108, 1250109), (19843, 1077804), (20727, 1031836), (21996, 972307), (22932, 932621), (25662, 833406), (27636, 773877), (29939, 714348), (38493, 555604), (39686, 538902), (41454, 515918), (51324, 416703), (59529, 359268), (59878, 357174), (76986, 277802), (79372, 269451), (82908, 257959), (89817, 238116), (119058, 179634), (119756, 178587), (138901, 153972)]