21418926

素因数分解:

$2^1\times 3^1\times {\mathrm{677}}^1\times {\mathrm{5273}}^1$

素因数の和:5955

約数の個数: 16

約数和(自身を含む): 42909264

約数和(自身を除く): 21490338

約数列:

[1, 2, 3, 6, 677, 1354, 2031, 4062, 5273, 10546, 15819, 31638, 3569821, 7139642, 10709463, 21418926]

約数ペア:

[(1, 21418926), (2, 10709463), (3, 7139642), (6, 3569821), (677, 31638), (1354, 15819), (2031, 10546), (4062, 5273)]