21851776

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5507}}^1$

素因数の和:5552

約数の個数: 32

約数和(自身を含む): 44945280

約数和(自身を除く): 23093504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5507, 11014, 22028, 44056, 88112, 170717, 176224, 341434, 352448, 682868, 704896, 1365736, 2731472, 5462944, 10925888, 21851776]

約数ペア:

[(1, 21851776), (2, 10925888), (4, 5462944), (8, 2731472), (16, 1365736), (31, 704896), (32, 682868), (62, 352448), (64, 341434), (124, 176224), (128, 170717), (248, 88112), (496, 44056), (992, 22028), (1984, 11014), (3968, 5507)]