21006854544

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{2531}}^1$

素因数の和:2885

約数の個数: 160

約数和(自身を含む): 59920164864

約数和(自身を除く): 38913310320

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 283, 312, 376, 564, 566, 611, 624, 752, 849, 1128, 1132, 1222, 1698, 1833, 2256, 2264, 2444, 2531, 3396, 3666, 3679, 4528, 4888, 5062, 6792, 7332, 7358, 7593, 9776, 10124, 11037, 13301, 13584, 14664, 14716, 15186, 20248, 22074, 26602, 29328, 29432, 30372, 32903, 39903, 40496, 44148, 53204, 58864, 60744, 65806, 79806, 88296, 98709, 106408, 118957, 121488, 131612, 159612, 172913, 176592, 197418, 212816, 237914, 263224, 319224, 345826, 356871, 394836, 475828, 518739, 526448, 638448, 691652, 713742, 716273, 789672, 951656, 1037478, 1383304, 1427484, 1432546, 1546441, 1579344, 1903312, 2074956, 2148819, 2766608, 2854968, 2865092, 3092882, 4149912, 4297638, 4639323, 5709936, 5730184, 6185764, 8299824, 8595276, 9278646, 9311549, 11460368, 12371528, 17190552, 18557292, 18623098, 24743056, 27934647, 33664831, 34381104, 37114584, 37246196, 55869294, 67329662, 74229168, 74492392, 100994493, 111738588, 134659324, 148984784, 201988986, 223477176, 269318648, 403977972, 437642803, 446954352, 538637296, 807955944, 875285606, 1312928409, 1615911888, 1750571212, 2625856818, 3501142424, 5251713636, 7002284848, 10503427272, 21006854544]

約数ペア:

[(1, 21006854544), (2, 10503427272), (3, 7002284848), (4, 5251713636), (6, 3501142424), (8, 2625856818), (12, 1750571212), (13, 1615911888), (16, 1312928409), (24, 875285606), (26, 807955944), (39, 538637296), (47, 446954352), (48, 437642803), (52, 403977972), (78, 269318648), (94, 223477176), (104, 201988986), (141, 148984784), (156, 134659324), (188, 111738588), (208, 100994493), (282, 74492392), (283, 74229168), (312, 67329662), (376, 55869294), (564, 37246196), (566, 37114584), (611, 34381104), (624, 33664831), (752, 27934647), (849, 24743056), (1128, 18623098), (1132, 18557292), (1222, 17190552), (1698, 12371528), (1833, 11460368), (2256, 9311549), (2264, 9278646), (2444, 8595276), (2531, 8299824), (3396, 6185764), (3666, 5730184), (3679, 5709936), (4528, 4639323), (4888, 4297638), (5062, 4149912), (6792, 3092882), (7332, 2865092), (7358, 2854968), (7593, 2766608), (9776, 2148819), (10124, 2074956), (11037, 1903312), (13301, 1579344), (13584, 1546441), (14664, 1432546), (14716, 1427484), (15186, 1383304), (20248, 1037478), (22074, 951656), (26602, 789672), (29328, 716273), (29432, 713742), (30372, 691652), (32903, 638448), (39903, 526448), (40496, 518739), (44148, 475828), (53204, 394836), (58864, 356871), (60744, 345826), (65806, 319224), (79806, 263224), (88296, 237914), (98709, 212816), (106408, 197418), (118957, 176592), (121488, 172913), (131612, 159612)]