21412660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26113}}^1$

素因数の和:26163

約数の個数: 24

約数和(自身を含む): 46065096

約数和(自身を除く): 24652436

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 26113, 52226, 104452, 130565, 261130, 522260, 1070633, 2141266, 4282532, 5353165, 10706330, 21412660]

約数ペア:

[(1, 21412660), (2, 10706330), (4, 5353165), (5, 4282532), (10, 2141266), (20, 1070633), (41, 522260), (82, 261130), (164, 130565), (205, 104452), (410, 52226), (820, 26113)]