21234514920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{793517}}^1$

素因数の和:793754

約数の個数: 64

約数和(自身を含む): 63989291520

約数和(自身を除く): 42754776600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 5352, 6690, 8920, 13380, 26760, 793517, 1587034, 2380551, 3174068, 3967585, 4761102, 6348136, 7935170, 9522204, 11902755, 15870340, 19044408, 23805510, 31740680, 47611020, 95222040, 176954291, 353908582, 530862873, 707817164, 884771455, 1061725746, 1415634328, 1769542910, 2123451492, 2654314365, 3539085820, 4246902984, 5308628730, 7078171640, 10617257460, 21234514920]

約数ペア:

[(1, 21234514920), (2, 10617257460), (3, 7078171640), (4, 5308628730), (5, 4246902984), (6, 3539085820), (8, 2654314365), (10, 2123451492), (12, 1769542910), (15, 1415634328), (20, 1061725746), (24, 884771455), (30, 707817164), (40, 530862873), (60, 353908582), (120, 176954291), (223, 95222040), (446, 47611020), (669, 31740680), (892, 23805510), (1115, 19044408), (1338, 15870340), (1784, 11902755), (2230, 9522204), (2676, 7935170), (3345, 6348136), (4460, 4761102), (5352, 3967585), (6690, 3174068), (8920, 2380551), (13380, 1587034), (26760, 793517)]