21446118

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 26435898

約数列:

[1, 2, 3, 6, 9, 18, 71, 97, 142, 173, 194, 213, 291, 346, 426, 519, 582, 639, 873, 1038, 1278, 1557, 1746, 3114, 6887, 12283, 13774, 16781, 20661, 24566, 33562, 36849, 41322, 50343, 61983, 73698, 100686, 110547, 123966, 151029, 221094, 302058, 1191451, 2382902, 3574353, 7148706, 10723059, 21446118]

約数ペア:

[(1, 21446118), (2, 10723059), (3, 7148706), (6, 3574353), (9, 2382902), (18, 1191451), (71, 302058), (97, 221094), (142, 151029), (173, 123966), (194, 110547), (213, 100686), (291, 73698), (346, 61983), (426, 50343), (519, 41322), (582, 36849), (639, 33562), (873, 24566), (1038, 20661), (1278, 16781), (1557, 13774), (1746, 12283), (3114, 6887)]