21776830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128099}}^1$

素因数の和:128123

約数の個数: 16

約数和(自身を含む): 41504400

約数和(自身を除く): 19727570

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128099, 256198, 640495, 1280990, 2177683, 4355366, 10888415, 21776830]

約数ペア:

[(1, 21776830), (2, 10888415), (5, 4355366), (10, 2177683), (17, 1280990), (34, 640495), (85, 256198), (170, 128099)]