21621736

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4409}}^1$

素因数の和:5028

約数の個数: 16

約数和(自身を含む): 40616100

約数和(自身を除く): 18994364

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4409, 4904, 8818, 17636, 35272, 2702717, 5405434, 10810868, 21621736]

約数ペア:

[(1, 21621736), (2, 10810868), (4, 5405434), (8, 2702717), (613, 35272), (1226, 17636), (2452, 8818), (4409, 4904)]