21902310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1493}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 57333744

約数和(自身を除く): 35431434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 326, 489, 815, 978, 1467, 1493, 1630, 2445, 2934, 2986, 4479, 4890, 7335, 7465, 8958, 13437, 14670, 14930, 22395, 26874, 44790, 67185, 134370, 243359, 486718, 730077, 1216795, 1460154, 2190231, 2433590, 3650385, 4380462, 7300770, 10951155, 21902310]

約数ペア:

[(1, 21902310), (2, 10951155), (3, 7300770), (5, 4380462), (6, 3650385), (9, 2433590), (10, 2190231), (15, 1460154), (18, 1216795), (30, 730077), (45, 486718), (90, 243359), (163, 134370), (326, 67185), (489, 44790), (815, 26874), (978, 22395), (1467, 14930), (1493, 14670), (1630, 13437), (2445, 8958), (2934, 7465), (2986, 7335), (4479, 4890)]