21834021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12034779

約数列:

[1, 3, 11, 19, 33, 57, 97, 209, 291, 359, 627, 1067, 1077, 1843, 3201, 3949, 5529, 6821, 11847, 20273, 20463, 34823, 60819, 75031, 104469, 225093, 383053, 661637, 1149159, 1984911, 7278007, 21834021]

約数ペア:

[(1, 21834021), (3, 7278007), (11, 1984911), (19, 1149159), (33, 661637), (57, 383053), (97, 225093), (209, 104469), (291, 75031), (359, 60819), (627, 34823), (1067, 20463), (1077, 20273), (1843, 11847), (3201, 6821), (3949, 5529)]