21778976

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 23508448

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 127, 184, 233, 254, 368, 466, 508, 736, 932, 1016, 1864, 2032, 2921, 3728, 4064, 5359, 5842, 7456, 10718, 11684, 21436, 23368, 29591, 42872, 46736, 59182, 85744, 93472, 118364, 171488, 236728, 473456, 680593, 946912, 1361186, 2722372, 5444744, 10889488, 21778976]

約数ペア:

[(1, 21778976), (2, 10889488), (4, 5444744), (8, 2722372), (16, 1361186), (23, 946912), (32, 680593), (46, 473456), (92, 236728), (127, 171488), (184, 118364), (233, 93472), (254, 85744), (368, 59182), (466, 46736), (508, 42872), (736, 29591), (932, 23368), (1016, 21436), (1864, 11684), (2032, 10718), (2921, 7456), (3728, 5842), (4064, 5359)]