21726770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4517}}^1$

素因数の和:4574

約数の個数: 32

約数和(自身を含む): 43264368

約数和(自身を除く): 21537598

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4517, 4810, 9034, 22585, 45170, 58721, 117442, 167129, 293605, 334258, 587210, 835645, 1671290, 2172677, 4345354, 10863385, 21726770]

約数ペア:

[(1, 21726770), (2, 10863385), (5, 4345354), (10, 2172677), (13, 1671290), (26, 835645), (37, 587210), (65, 334258), (74, 293605), (130, 167129), (185, 117442), (370, 58721), (481, 45170), (962, 22585), (2405, 9034), (4517, 4810)]