21158826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4447}}^1$

素因数の和:4526

約数の個数: 32

約数和(自身を含む): 46330368

約数和(自身を除く): 25171542

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4447, 4758, 8894, 13341, 26682, 57811, 115622, 173433, 271267, 346866, 542534, 813801, 1627602, 3526471, 7052942, 10579413, 21158826]

約数ペア:

[(1, 21158826), (2, 10579413), (3, 7052942), (6, 3526471), (13, 1627602), (26, 813801), (39, 542534), (61, 346866), (78, 271267), (122, 173433), (183, 115622), (366, 57811), (793, 26682), (1586, 13341), (2379, 8894), (4447, 4758)]