21196570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 18937958

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 587, 785, 1174, 1570, 2935, 3611, 5870, 7222, 13501, 18055, 27002, 36110, 67505, 92159, 135010, 184318, 460795, 921590, 2119657, 4239314, 10598285, 21196570]

約数ペア:

[(1, 21196570), (2, 10598285), (5, 4239314), (10, 2119657), (23, 921590), (46, 460795), (115, 184318), (157, 135010), (230, 92159), (314, 67505), (587, 36110), (785, 27002), (1174, 18055), (1570, 13501), (2935, 7222), (3611, 5870)]