21345072

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63527}}^1$

素因数の和:63545

約数の個数: 40

約数和(自身を含む): 63019776

約数和(自身を除く): 41674704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63527, 127054, 190581, 254108, 381162, 444689, 508216, 762324, 889378, 1016432, 1334067, 1524648, 1778756, 2668134, 3049296, 3557512, 5336268, 7115024, 10672536, 21345072]

約数ペア:

[(1, 21345072), (2, 10672536), (3, 7115024), (4, 5336268), (6, 3557512), (7, 3049296), (8, 2668134), (12, 1778756), (14, 1524648), (16, 1334067), (21, 1016432), (24, 889378), (28, 762324), (42, 508216), (48, 444689), (56, 381162), (84, 254108), (112, 190581), (168, 127054), (336, 63527)]