21019674

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8693}}^1$

素因数の和:8742

約数の個数: 32

約数和(自身を含む): 46738944

約数和(自身を除く): 25719270

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8693, 17386, 26079, 52158, 113009, 226018, 269483, 339027, 538966, 678054, 808449, 1616898, 3503279, 7006558, 10509837, 21019674]

約数ペア:

[(1, 21019674), (2, 10509837), (3, 7006558), (6, 3503279), (13, 1616898), (26, 808449), (31, 678054), (39, 538966), (62, 339027), (78, 269483), (93, 226018), (186, 113009), (403, 52158), (806, 26079), (1209, 17386), (2418, 8693)]