21351264

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20219}}^1$

素因数の和:20243

約数の個数: 48

約数和(自身を含む): 61145280

約数和(自身を除く): 39794016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20219, 40438, 60657, 80876, 121314, 161752, 222409, 242628, 323504, 444818, 485256, 647008, 667227, 889636, 970512, 1334454, 1779272, 1941024, 2668908, 3558544, 5337816, 7117088, 10675632, 21351264]

約数ペア:

[(1, 21351264), (2, 10675632), (3, 7117088), (4, 5337816), (6, 3558544), (8, 2668908), (11, 1941024), (12, 1779272), (16, 1334454), (22, 970512), (24, 889636), (32, 667227), (33, 647008), (44, 485256), (48, 444818), (66, 323504), (88, 242628), (96, 222409), (132, 161752), (176, 121314), (264, 80876), (352, 60657), (528, 40438), (1056, 20219)]