21595665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1217}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 42795648

約数和(自身を除く): 21199983

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1217, 1365, 2535, 3549, 3651, 5915, 6085, 8519, 15821, 17745, 18255, 25557, 42595, 47463, 79105, 110747, 127785, 205673, 237315, 332241, 553735, 617019, 1028365, 1439711, 1661205, 3085095, 4319133, 7198555, 21595665]

約数ペア:

[(1, 21595665), (3, 7198555), (5, 4319133), (7, 3085095), (13, 1661205), (15, 1439711), (21, 1028365), (35, 617019), (39, 553735), (65, 332241), (91, 237315), (105, 205673), (169, 127785), (195, 110747), (273, 79105), (455, 47463), (507, 42595), (845, 25557), (1183, 18255), (1217, 17745), (1365, 15821), (2535, 8519), (3549, 6085), (3651, 5915)]