21235416

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{6967}}^1$

素因数の和:7103

約数の個数: 32

約数和(自身を含む): 53514240

約数和(自身を除く): 32278824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 254, 381, 508, 762, 1016, 1524, 3048, 6967, 13934, 20901, 27868, 41802, 55736, 83604, 167208, 884809, 1769618, 2654427, 3539236, 5308854, 7078472, 10617708, 21235416]

約数ペア:

[(1, 21235416), (2, 10617708), (3, 7078472), (4, 5308854), (6, 3539236), (8, 2654427), (12, 1769618), (24, 884809), (127, 167208), (254, 83604), (381, 55736), (508, 41802), (762, 27868), (1016, 20901), (1524, 13934), (3048, 6967)]