21494860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9511}}^1$

素因数の和:9633

約数の個数: 24

約数和(自身を含む): 45543456

約数和(自身を除く): 24048596

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9511, 19022, 38044, 47555, 95110, 190220, 1074743, 2149486, 4298972, 5373715, 10747430, 21494860]

約数ペア:

[(1, 21494860), (2, 10747430), (4, 5373715), (5, 4298972), (10, 2149486), (20, 1074743), (113, 190220), (226, 95110), (452, 47555), (565, 38044), (1130, 19022), (2260, 9511)]