21841580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{6101}}^1$

素因数の和:6289

約数の個数: 24

約数和(自身を含む): 46131120

約数和(自身を除く): 24289540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 6101, 12202, 24404, 30505, 61010, 122020, 1092079, 2184158, 4368316, 5460395, 10920790, 21841580]

約数ペア:

[(1, 21841580), (2, 10920790), (4, 5460395), (5, 4368316), (10, 2184158), (20, 1092079), (179, 122020), (358, 61010), (716, 30505), (895, 24404), (1790, 12202), (3580, 6101)]