21943740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4051

約数の個数: 96

約数和(自身を含む): 75640320

約数和(自身を除く): 53696580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 4019, 5460, 8038, 12057, 16076, 20095, 24114, 28133, 40190, 48228, 52247, 56266, 60285, 80380, 84399, 104494, 112532, 120570, 140665, 156741, 168798, 208988, 241140, 261235, 281330, 313482, 337596, 365729, 421995, 522470, 562660, 626964, 731458, 783705, 843990, 1044940, 1097187, 1462916, 1567410, 1687980, 1828645, 2194374, 3134820, 3657290, 4388748, 5485935, 7314580, 10971870, 21943740]

約数ペア:

[(1, 21943740), (2, 10971870), (3, 7314580), (4, 5485935), (5, 4388748), (6, 3657290), (7, 3134820), (10, 2194374), (12, 1828645), (13, 1687980), (14, 1567410), (15, 1462916), (20, 1097187), (21, 1044940), (26, 843990), (28, 783705), (30, 731458), (35, 626964), (39, 562660), (42, 522470), (52, 421995), (60, 365729), (65, 337596), (70, 313482), (78, 281330), (84, 261235), (91, 241140), (105, 208988), (130, 168798), (140, 156741), (156, 140665), (182, 120570), (195, 112532), (210, 104494), (260, 84399), (273, 80380), (364, 60285), (390, 56266), (420, 52247), (455, 48228), (546, 40190), (780, 28133), (910, 24114), (1092, 20095), (1365, 16076), (1820, 12057), (2730, 8038), (4019, 5460)]