21479076

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9781}}^1$

素因数の和:9852

約数の個数: 36

約数和(自身を含む): 55190044

約数和(自身を除く): 33710968

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9781, 19562, 29343, 39124, 58686, 88029, 117372, 176058, 352116, 596641, 1193282, 1789923, 2386564, 3579846, 5369769, 7159692, 10739538, 21479076]

約数ペア:

[(1, 21479076), (2, 10739538), (3, 7159692), (4, 5369769), (6, 3579846), (9, 2386564), (12, 1789923), (18, 1193282), (36, 596641), (61, 352116), (122, 176058), (183, 117372), (244, 88029), (366, 58686), (549, 39124), (732, 29343), (1098, 19562), (2196, 9781)]