21326210

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{34961}}^1$

素因数の和:35029

約数の個数: 16

約数和(自身を含む): 39017592

約数和(自身を除く): 17691382

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 34961, 69922, 174805, 349610, 2132621, 4265242, 10663105, 21326210]

約数ペア:

[(1, 21326210), (2, 10663105), (5, 4265242), (10, 2132621), (61, 349610), (122, 174805), (305, 69922), (610, 34961)]