21296056

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64927}}^1$

素因数の和:64974

約数の個数: 16

約数和(自身を含む): 40904640

約数和(自身を除く): 19608584

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64927, 129854, 259708, 519416, 2662007, 5324014, 10648028, 21296056]

約数ペア:

[(1, 21296056), (2, 10648028), (4, 5324014), (8, 2662007), (41, 519416), (82, 259708), (164, 129854), (328, 64927)]