21895700

素因数分解:

$2^2\times 5^2\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:992

約数の個数: 36

約数和(自身を含む): 47726112

約数和(自身を除く): 25830412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 347, 631, 694, 1262, 1388, 1735, 2524, 3155, 3470, 6310, 6940, 8675, 12620, 15775, 17350, 31550, 34700, 63100, 218957, 437914, 875828, 1094785, 2189570, 4379140, 5473925, 10947850, 21895700]

約数ペア:

[(1, 21895700), (2, 10947850), (4, 5473925), (5, 4379140), (10, 2189570), (20, 1094785), (25, 875828), (50, 437914), (100, 218957), (347, 63100), (631, 34700), (694, 31550), (1262, 17350), (1388, 15775), (1735, 12620), (2524, 8675), (3155, 6940), (3470, 6310)]