21525130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2477}}^1$

素因数の和:2574

約数の個数: 32

約数和(自身を含む): 42819840

約数和(自身を除く): 21294710

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2477, 4345, 4954, 8690, 12385, 24770, 27247, 54494, 136235, 195683, 272470, 391366, 978415, 1956830, 2152513, 4305026, 10762565, 21525130]

約数ペア:

[(1, 21525130), (2, 10762565), (5, 4305026), (10, 2152513), (11, 1956830), (22, 978415), (55, 391366), (79, 272470), (110, 195683), (158, 136235), (395, 54494), (790, 27247), (869, 24770), (1738, 12385), (2477, 8690), (4345, 4954)]