21105358395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1\times {\mathrm{154669}}^1$

素因数の和:155515

約数の個数: 32

約数和(自身を含む): 36883226880

約数和(自身を除く): 15777868485

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 827, 2481, 4135, 9097, 12405, 27291, 45485, 136455, 154669, 464007, 773345, 1701359, 2320035, 5104077, 8506795, 25520385, 127911263, 383733789, 639556315, 1407023893, 1918668945, 4221071679, 7035119465, 21105358395]

約数ペア:

[(1, 21105358395), (3, 7035119465), (5, 4221071679), (11, 1918668945), (15, 1407023893), (33, 639556315), (55, 383733789), (165, 127911263), (827, 25520385), (2481, 8506795), (4135, 5104077), (9097, 2320035), (12405, 1701359), (27291, 773345), (45485, 464007), (136455, 154669)]