21797012

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 38875872

約数和(自身を除く): 17078860

約数列:

[1, 2, 4, 101, 163, 202, 326, 331, 404, 652, 662, 1324, 16463, 32926, 33431, 53953, 65852, 66862, 107906, 133724, 215812, 5449253, 10898506, 21797012]

約数ペア:

[(1, 21797012), (2, 10898506), (4, 5449253), (101, 215812), (163, 133724), (202, 107906), (326, 66862), (331, 65852), (404, 53953), (652, 33431), (662, 32926), (1324, 16463)]