21391974

素因数分解:

$2^1\times 3^2\times {\mathrm{967}}^1\times {\mathrm{1229}}^1$

素因数の和:2204

約数の個数: 24

約数和(自身を含む): 46434960

約数和(自身を除く): 25042986

約数列:

[1, 2, 3, 6, 9, 18, 967, 1229, 1934, 2458, 2901, 3687, 5802, 7374, 8703, 11061, 17406, 22122, 1188443, 2376886, 3565329, 7130658, 10695987, 21391974]

約数ペア:

[(1, 21391974), (2, 10695987), (3, 7130658), (6, 3565329), (9, 2376886), (18, 1188443), (967, 22122), (1229, 17406), (1934, 11061), (2458, 8703), (2901, 7374), (3687, 5802)]