21937438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 14143202

約数列:

[1, 2, 19, 38, 47, 71, 94, 142, 173, 346, 893, 1349, 1786, 2698, 3287, 3337, 6574, 6674, 8131, 12283, 16262, 24566, 63403, 126806, 154489, 233377, 308978, 466754, 577301, 1154602, 10968719, 21937438]

約数ペア:

[(1, 21937438), (2, 10968719), (19, 1154602), (38, 577301), (47, 466754), (71, 308978), (94, 233377), (142, 154489), (173, 126806), (346, 63403), (893, 24566), (1349, 16262), (1786, 12283), (2698, 8131), (3287, 6674), (3337, 6574)]