21385896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127297}}^1$

素因数の和:127313

約数の個数: 32

約数和(自身を含む): 61103040

約数和(自身を除く): 39717144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127297, 254594, 381891, 509188, 763782, 891079, 1018376, 1527564, 1782158, 2673237, 3055128, 3564316, 5346474, 7128632, 10692948, 21385896]

約数ペア:

[(1, 21385896), (2, 10692948), (3, 7128632), (4, 5346474), (6, 3564316), (7, 3055128), (8, 2673237), (12, 1782158), (14, 1527564), (21, 1018376), (24, 891079), (28, 763782), (42, 509188), (56, 381891), (84, 254594), (168, 127297)]