21994430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129379}}^1$

素因数の和:129403

約数の個数: 16

約数和(自身を含む): 41919120

約数和(自身を除く): 19924690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 129379, 258758, 646895, 1293790, 2199443, 4398886, 10997215, 21994430]

約数ペア:

[(1, 21994430), (2, 10997215), (5, 4398886), (10, 2199443), (17, 1293790), (34, 646895), (85, 258758), (170, 129379)]