21708750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{827}}^1$

素因数の和:859

約数の個数: 80

約数和(自身を含む): 62080128

約数和(自身を除く): 40371378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 625, 750, 827, 875, 1050, 1250, 1654, 1750, 1875, 2481, 2625, 3750, 4135, 4375, 4962, 5250, 5789, 8270, 8750, 11578, 12405, 13125, 17367, 20675, 24810, 26250, 28945, 34734, 41350, 57890, 62025, 86835, 103375, 124050, 144725, 173670, 206750, 289450, 310125, 434175, 516875, 620250, 723625, 868350, 1033750, 1447250, 1550625, 2170875, 3101250, 3618125, 4341750, 7236250, 10854375, 21708750]

約数ペア:

[(1, 21708750), (2, 10854375), (3, 7236250), (5, 4341750), (6, 3618125), (7, 3101250), (10, 2170875), (14, 1550625), (15, 1447250), (21, 1033750), (25, 868350), (30, 723625), (35, 620250), (42, 516875), (50, 434175), (70, 310125), (75, 289450), (105, 206750), (125, 173670), (150, 144725), (175, 124050), (210, 103375), (250, 86835), (350, 62025), (375, 57890), (525, 41350), (625, 34734), (750, 28945), (827, 26250), (875, 24810), (1050, 20675), (1250, 17367), (1654, 13125), (1750, 12405), (1875, 11578), (2481, 8750), (2625, 8270), (3750, 5789), (4135, 5250), (4375, 4962)]