21631274

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53279}}^1$

素因数の和:53317

約数の個数: 16

約数和(自身を含む): 38361600

約数和(自身を除く): 16730326

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53279, 106558, 372953, 745906, 1545091, 3090182, 10815637, 21631274]

約数ペア:

[(1, 21631274), (2, 10815637), (7, 3090182), (14, 1545091), (29, 745906), (58, 372953), (203, 106558), (406, 53279)]