21685250

素因数分解:

$2^1\times 5^3\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 19289086

約数列:

[1, 2, 5, 10, 25, 50, 125, 127, 250, 254, 635, 683, 1270, 1366, 3175, 3415, 6350, 6830, 15875, 17075, 31750, 34150, 85375, 86741, 170750, 173482, 433705, 867410, 2168525, 4337050, 10842625, 21685250]

約数ペア:

[(1, 21685250), (2, 10842625), (5, 4337050), (10, 2168525), (25, 867410), (50, 433705), (125, 173482), (127, 170750), (250, 86741), (254, 85375), (635, 34150), (683, 31750), (1270, 17075), (1366, 15875), (3175, 6830), (3415, 6350)]