21396864

素因数分解:

$2^7\times 3^1\times {\mathrm{55721}}^1$

素因数の和:55738

約数の個数: 32

約数和(自身を含む): 56836440

約数和(自身を除く): 35439576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55721, 111442, 167163, 222884, 334326, 445768, 668652, 891536, 1337304, 1783072, 2674608, 3566144, 5349216, 7132288, 10698432, 21396864]

約数ペア:

[(1, 21396864), (2, 10698432), (3, 7132288), (4, 5349216), (6, 3566144), (8, 2674608), (12, 1783072), (16, 1337304), (24, 891536), (32, 668652), (48, 445768), (64, 334326), (96, 222884), (128, 167163), (192, 111442), (384, 55721)]