21812624

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{22349}}^1$

素因数の和:22418

約数の個数: 20

約数和(自身を含む): 42956700

約数和(自身を除く): 21144076

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 22349, 44698, 89396, 178792, 357584, 1363289, 2726578, 5453156, 10906312, 21812624]

約数ペア:

[(1, 21812624), (2, 10906312), (4, 5453156), (8, 2726578), (16, 1363289), (61, 357584), (122, 178792), (244, 89396), (488, 44698), (976, 22349)]