21447255746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6131}}^1\times {\mathrm{13151}}^1$

素因数の和:19310

約数の個数: 32

約数和(自身を含む): 38711070720

約数和(自身を除く): 17263814974

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 6131, 12262, 13151, 26302, 42917, 85834, 92057, 116489, 184114, 232978, 249869, 499738, 815423, 1630846, 1749083, 3498166, 80628781, 161257562, 564401467, 1128802934, 1531946839, 3063893678, 10723627873, 21447255746]

約数ペア:

[(1, 21447255746), (2, 10723627873), (7, 3063893678), (14, 1531946839), (19, 1128802934), (38, 564401467), (133, 161257562), (266, 80628781), (6131, 3498166), (12262, 1749083), (13151, 1630846), (26302, 815423), (42917, 499738), (85834, 249869), (92057, 232978), (116489, 184114)]