21859690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1246

約数の個数: 32

約数和(自身を含む): 41857920

約数和(自身を除く): 19998230

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1117, 1957, 2234, 3914, 5585, 9785, 11170, 19570, 21223, 42446, 106115, 115051, 212230, 230102, 575255, 1150510, 2185969, 4371938, 10929845, 21859690]

約数ペア:

[(1, 21859690), (2, 10929845), (5, 4371938), (10, 2185969), (19, 1150510), (38, 575255), (95, 230102), (103, 212230), (190, 115051), (206, 106115), (515, 42446), (1030, 21223), (1117, 19570), (1957, 11170), (2234, 9785), (3914, 5585)]