21199204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23981}}^1$

素因数の和:24015

約数の個数: 24

約数和(自身を含む): 42304248

約数和(自身を除く): 21105044

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23981, 47962, 95924, 311753, 407677, 623506, 815354, 1247012, 1630708, 5299801, 10599602, 21199204]

約数ペア:

[(1, 21199204), (2, 10599602), (4, 5299801), (13, 1630708), (17, 1247012), (26, 815354), (34, 623506), (52, 407677), (68, 311753), (221, 95924), (442, 47962), (884, 23981)]