21824090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128377}}^1$

素因数の和:128401

約数の個数: 16

約数和(自身を含む): 41594472

約数和(自身を除く): 19770382

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128377, 256754, 641885, 1283770, 2182409, 4364818, 10912045, 21824090]

約数ペア:

[(1, 21824090), (2, 10912045), (5, 4364818), (10, 2182409), (17, 1283770), (34, 641885), (85, 256754), (170, 128377)]