21042169582

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40621949}}^1$

素因数の和:40621995

約数の個数: 16

約数和(自身を含む): 37047218400

約数和(自身を除く): 16005048818

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40621949, 81243898, 284353643, 568707286, 1503012113, 3006024226, 10521084791, 21042169582]

約数ペア:

[(1, 21042169582), (2, 10521084791), (7, 3006024226), (14, 1503012113), (37, 568707286), (74, 284353643), (259, 81243898), (518, 40621949)]