21751884

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 74692800

約数和(自身を除く): 52940916

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 49, 57, 59, 63, 66, 76, 77, 84, 98, 99, 114, 118, 126, 132, 133, 147, 154, 171, 177, 196, 198, 209, 228, 231, 236, 252, 266, 294, 308, 342, 354, 396, 399, 413, 418, 441, 462, 531, 532, 539, 588, 627, 649, 684, 693, 708, 798, 826, 836, 882, 924, 931, 1062, 1078, 1121, 1197, 1239, 1254, 1298, 1386, 1463, 1596, 1617, 1652, 1764, 1862, 1881, 1947, 2124, 2156, 2242, 2394, 2478, 2508, 2596, 2772, 2793, 2891, 2926, 3234, 3363, 3717, 3724, 3762, 3894, 4389, 4484, 4543, 4788, 4851, 4956, 5586, 5782, 5841, 5852, 6468, 6726, 7434, 7524, 7788, 7847, 8379, 8673, 8778, 9086, 9702, 10089, 10241, 11172, 11564, 11682, 12331, 13167, 13452, 13629, 14868, 15694, 16758, 17346, 17556, 18172, 19404, 20178, 20482, 23364, 23541, 24662, 26019, 26334, 27258, 30723, 31388, 31801, 33516, 34692, 36993, 40356, 40887, 40964, 47082, 49324, 52038, 52668, 54516, 54929, 61446, 63602, 70623, 73986, 81774, 86317, 92169, 94164, 95403, 104076, 109858, 110979, 122892, 127204, 141246, 147972, 163548, 164787, 172634, 184338, 190806, 219716, 221958, 258951, 282492, 286209, 329574, 345268, 368676, 381612, 443916, 494361, 517902, 572418, 604219, 659148, 776853, 988722, 1035804, 1144836, 1208438, 1553706, 1812657, 1977444, 2416876, 3107412, 3625314, 5437971, 7250628, 10875942, 21751884]

約数ペア:

[(1, 21751884), (2, 10875942), (3, 7250628), (4, 5437971), (6, 3625314), (7, 3107412), (9, 2416876), (11, 1977444), (12, 1812657), (14, 1553706), (18, 1208438), (19, 1144836), (21, 1035804), (22, 988722), (28, 776853), (33, 659148), (36, 604219), (38, 572418), (42, 517902), (44, 494361), (49, 443916), (57, 381612), (59, 368676), (63, 345268), (66, 329574), (76, 286209), (77, 282492), (84, 258951), (98, 221958), (99, 219716), (114, 190806), (118, 184338), (126, 172634), (132, 164787), (133, 163548), (147, 147972), (154, 141246), (171, 127204), (177, 122892), (196, 110979), (198, 109858), (209, 104076), (228, 95403), (231, 94164), (236, 92169), (252, 86317), (266, 81774), (294, 73986), (308, 70623), (342, 63602), (354, 61446), (396, 54929), (399, 54516), (413, 52668), (418, 52038), (441, 49324), (462, 47082), (531, 40964), (532, 40887), (539, 40356), (588, 36993), (627, 34692), (649, 33516), (684, 31801), (693, 31388), (708, 30723), (798, 27258), (826, 26334), (836, 26019), (882, 24662), (924, 23541), (931, 23364), (1062, 20482), (1078, 20178), (1121, 19404), (1197, 18172), (1239, 17556), (1254, 17346), (1298, 16758), (1386, 15694), (1463, 14868), (1596, 13629), (1617, 13452), (1652, 13167), (1764, 12331), (1862, 11682), (1881, 11564), (1947, 11172), (2124, 10241), (2156, 10089), (2242, 9702), (2394, 9086), (2478, 8778), (2508, 8673), (2596, 8379), (2772, 7847), (2793, 7788), (2891, 7524), (2926, 7434), (3234, 6726), (3363, 6468), (3717, 5852), (3724, 5841), (3762, 5782), (3894, 5586), (4389, 4956), (4484, 4851), (4543, 4788)]