21215672403

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{400651}}^1$

素因数の和:401602

約数の個数: 16

約数和(自身を含む): 29808508800

約数和(自身を除く): 8592836397

約数列:

[1, 3, 19, 57, 929, 2787, 17651, 52953, 400651, 1201953, 7612369, 22837107, 372204779, 1116614337, 7071890801, 21215672403]

約数ペア:

[(1, 21215672403), (3, 7071890801), (19, 1116614337), (57, 372204779), (929, 22837107), (2787, 7612369), (17651, 1201953), (52953, 400651)]