21558132

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9817}}^1$

素因数の和:9888

約数の個数: 36

約数和(自身を含む): 55393156

約数和(自身を除く): 33835024

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9817, 19634, 29451, 39268, 58902, 88353, 117804, 176706, 353412, 598837, 1197674, 1796511, 2395348, 3593022, 5389533, 7186044, 10779066, 21558132]

約数ペア:

[(1, 21558132), (2, 10779066), (3, 7186044), (4, 5389533), (6, 3593022), (9, 2395348), (12, 1796511), (18, 1197674), (36, 598837), (61, 353412), (122, 176706), (183, 117804), (244, 88353), (366, 58902), (549, 39268), (732, 29451), (1098, 19634), (2196, 9817)]