21693530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127609}}^1$

素因数の和:127633

約数の個数: 16

約数和(自身を含む): 41345640

約数和(自身を除く): 19652110

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 127609, 255218, 638045, 1276090, 2169353, 4338706, 10846765, 21693530]

約数ペア:

[(1, 21693530), (2, 10846765), (5, 4338706), (10, 2169353), (17, 1276090), (34, 638045), (85, 255218), (170, 127609)]