21399133105

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1\times {\mathrm{5569}}^1$

素因数の和:6769

約数の個数: 32

約数和(自身を含む): 29670543360

約数和(自身を除く): 8271410255

約数列:

[1, 5, 7, 35, 101, 505, 707, 1087, 3535, 5435, 5569, 7609, 27845, 38045, 38983, 109787, 194915, 548935, 562469, 768509, 2812345, 3842545, 3937283, 6053503, 19686415, 30267515, 42374521, 211872605, 611403803, 3057019015, 4279826621, 21399133105]

約数ペア:

[(1, 21399133105), (5, 4279826621), (7, 3057019015), (35, 611403803), (101, 211872605), (505, 42374521), (707, 30267515), (1087, 19686415), (3535, 6053503), (5435, 3937283), (5569, 3842545), (7609, 2812345), (27845, 768509), (38045, 562469), (38983, 548935), (109787, 194915)]