21631210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35461}}^1$

素因数の和:35529

約数の個数: 16

約数和(自身を含む): 39575592

約数和(自身を除く): 17944382

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35461, 70922, 177305, 354610, 2163121, 4326242, 10815605, 21631210]

約数ペア:

[(1, 21631210), (2, 10815605), (5, 4326242), (10, 2163121), (61, 354610), (122, 177305), (305, 70922), (610, 35461)]