21295188

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11161}}^1$

素因数の和:11224

約数の個数: 36

約数和(自身を含む): 54850068

約数和(自身を除く): 33554880

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11161, 22322, 33483, 44644, 66966, 100449, 133932, 200898, 401796, 591533, 1183066, 1774599, 2366132, 3549198, 5323797, 7098396, 10647594, 21295188]

約数ペア:

[(1, 21295188), (2, 10647594), (3, 7098396), (4, 5323797), (6, 3549198), (9, 2366132), (12, 1774599), (18, 1183066), (36, 591533), (53, 401796), (106, 200898), (159, 133932), (212, 100449), (318, 66966), (477, 44644), (636, 33483), (954, 22322), (1908, 11161)]