21306616

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33713}}^1$

素因数の和:33798

約数の個数: 16

約数和(自身を含む): 40456800

約数和(自身を除く): 19150184

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33713, 67426, 134852, 269704, 2663327, 5326654, 10653308, 21306616]

約数ペア:

[(1, 21306616), (2, 10653308), (4, 5326654), (8, 2663327), (79, 269704), (158, 134852), (316, 67426), (632, 33713)]