21610910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127123}}^1$

素因数の和:127147

約数の個数: 16

約数和(自身を含む): 41188176

約数和(自身を除く): 19577266

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 127123, 254246, 635615, 1271230, 2161091, 4322182, 10805455, 21610910]

約数ペア:

[(1, 21610910), (2, 10805455), (5, 4322182), (10, 2161091), (17, 1271230), (34, 635615), (85, 254246), (170, 127123)]