21905048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4219}}^1$

素因数の和:4295

約数の個数: 32

約数和(自身を含む): 45576000

約数和(自身を除く): 23670952

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 4219, 5192, 8438, 16876, 33752, 46409, 92818, 185636, 248921, 371272, 497842, 995684, 1991368, 2738131, 5476262, 10952524, 21905048]

約数ペア:

[(1, 21905048), (2, 10952524), (4, 5476262), (8, 2738131), (11, 1991368), (22, 995684), (44, 497842), (59, 371272), (88, 248921), (118, 185636), (236, 92818), (472, 46409), (649, 33752), (1298, 16876), (2596, 8438), (4219, 5192)]