21200696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2339}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 43804800

約数和(自身を除く): 22604104

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2339, 4532, 4678, 9064, 9356, 18712, 25729, 51458, 102916, 205832, 240917, 481834, 963668, 1927336, 2650087, 5300174, 10600348, 21200696]

約数ペア:

[(1, 21200696), (2, 10600348), (4, 5300174), (8, 2650087), (11, 1927336), (22, 963668), (44, 481834), (88, 240917), (103, 205832), (206, 102916), (412, 51458), (824, 25729), (1133, 18712), (2266, 9356), (2339, 9064), (4532, 4678)]