21566670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1259}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 30325170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 571, 1142, 1259, 1713, 2518, 2855, 3426, 3777, 5710, 6295, 7554, 8565, 12590, 17130, 18885, 37770, 718889, 1437778, 2156667, 3594445, 4313334, 7188890, 10783335, 21566670]

約数ペア:

[(1, 21566670), (2, 10783335), (3, 7188890), (5, 4313334), (6, 3594445), (10, 2156667), (15, 1437778), (30, 718889), (571, 37770), (1142, 18885), (1259, 17130), (1713, 12590), (2518, 8565), (2855, 7554), (3426, 6295), (3777, 5710)]