21108784

素因数分解:

$2^4\times {\mathrm{59}}^2\times {\mathrm{379}}^1$

素因数の和:505

約数の個数: 30

約数和(自身を含む): 41712980

約数和(自身を除く): 20604196

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 379, 472, 758, 944, 1516, 3032, 3481, 6064, 6962, 13924, 22361, 27848, 44722, 55696, 89444, 178888, 357776, 1319299, 2638598, 5277196, 10554392, 21108784]

約数ペア:

[(1, 21108784), (2, 10554392), (4, 5277196), (8, 2638598), (16, 1319299), (59, 357776), (118, 178888), (236, 89444), (379, 55696), (472, 44722), (758, 27848), (944, 22361), (1516, 13924), (3032, 6962), (3481, 6064)]