21404804538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{274420571}}^1$

素因数の和:274420589

約数の個数: 16

約数和(自身を含む): 46102656096

約数和(自身を除く): 24697851558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 274420571, 548841142, 823261713, 1646523426, 3567467423, 7134934846, 10702402269, 21404804538]

約数ペア:

[(1, 21404804538), (2, 10702402269), (3, 7134934846), (6, 3567467423), (13, 1646523426), (26, 823261713), (39, 548841142), (78, 274420571)]