21904533

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5039}}^1$

素因数の和:5078

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 16802667

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 5039, 15117, 35273, 45351, 105819, 115897, 136053, 317457, 347691, 811279, 952371, 1043073, 2433837, 3129219, 7301511, 21904533]

約数ペア:

[(1, 21904533), (3, 7301511), (7, 3129219), (9, 2433837), (21, 1043073), (23, 952371), (27, 811279), (63, 347691), (69, 317457), (161, 136053), (189, 115897), (207, 105819), (483, 45351), (621, 35273), (1449, 15117), (4347, 5039)]