21993402

素因数分解:

$2^1\times 3^1\times {\mathrm{1607}}^1\times {\mathrm{2281}}^1$

素因数の和:3893

約数の個数: 16

約数和(自身を含む): 44033472

約数和(自身を除く): 22040070

約数列:

[1, 2, 3, 6, 1607, 2281, 3214, 4562, 4821, 6843, 9642, 13686, 3665567, 7331134, 10996701, 21993402]

約数ペア:

[(1, 21993402), (2, 10996701), (3, 7331134), (6, 3665567), (1607, 13686), (2281, 9642), (3214, 6843), (4562, 4821)]