21031848

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4951}}^1$

素因数の和:5022

約数の個数: 48

約数和(自身を含む): 57938400

約数和(自身を除く): 36906552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4951, 9902, 14853, 19804, 29706, 39608, 44559, 59412, 89118, 118824, 178236, 292109, 356472, 584218, 876327, 1168436, 1752654, 2336872, 2628981, 3505308, 5257962, 7010616, 10515924, 21031848]

約数ペア:

[(1, 21031848), (2, 10515924), (3, 7010616), (4, 5257962), (6, 3505308), (8, 2628981), (9, 2336872), (12, 1752654), (18, 1168436), (24, 876327), (36, 584218), (59, 356472), (72, 292109), (118, 178236), (177, 118824), (236, 89118), (354, 59412), (472, 44559), (531, 39608), (708, 29706), (1062, 19804), (1416, 14853), (2124, 9902), (4248, 4951)]