21557789136

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{44809}}^1$

素因数の和:45093

約数の個数: 120

約数和(自身を含む): 65227049160

約数和(自身を除く): 43669260024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 257, 312, 468, 514, 624, 771, 936, 1028, 1542, 1872, 2056, 2313, 3084, 3341, 4112, 4626, 6168, 6682, 9252, 10023, 12336, 13364, 18504, 20046, 26728, 30069, 37008, 40092, 44809, 53456, 60138, 80184, 89618, 120276, 134427, 160368, 179236, 240552, 268854, 358472, 403281, 481104, 537708, 582517, 716944, 806562, 1075416, 1165034, 1613124, 1747551, 2150832, 2330068, 3226248, 3495102, 4660136, 5242653, 6452496, 6990204, 9320272, 10485306, 11515913, 13980408, 20970612, 23031826, 27960816, 34547739, 41941224, 46063652, 69095478, 83882448, 92127304, 103643217, 138190956, 149706869, 184254608, 207286434, 276381912, 299413738, 414572868, 449120607, 552763824, 598827476, 829145736, 898241214, 1197654952, 1347361821, 1658291472, 1796482428, 2395309904, 2694723642, 3592964856, 5389447284, 7185929712, 10778894568, 21557789136]

約数ペア:

[(1, 21557789136), (2, 10778894568), (3, 7185929712), (4, 5389447284), (6, 3592964856), (8, 2694723642), (9, 2395309904), (12, 1796482428), (13, 1658291472), (16, 1347361821), (18, 1197654952), (24, 898241214), (26, 829145736), (36, 598827476), (39, 552763824), (48, 449120607), (52, 414572868), (72, 299413738), (78, 276381912), (104, 207286434), (117, 184254608), (144, 149706869), (156, 138190956), (208, 103643217), (234, 92127304), (257, 83882448), (312, 69095478), (468, 46063652), (514, 41941224), (624, 34547739), (771, 27960816), (936, 23031826), (1028, 20970612), (1542, 13980408), (1872, 11515913), (2056, 10485306), (2313, 9320272), (3084, 6990204), (3341, 6452496), (4112, 5242653), (4626, 4660136), (6168, 3495102), (6682, 3226248), (9252, 2330068), (10023, 2150832), (12336, 1747551), (13364, 1613124), (18504, 1165034), (20046, 1075416), (26728, 806562), (30069, 716944), (37008, 582517), (40092, 537708), (44809, 481104), (53456, 403281), (60138, 358472), (80184, 268854), (89618, 240552), (120276, 179236), (134427, 160368)]