21986718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4621}}^1$

素因数の和:4700

約数の個数: 32

約数和(自身を含む): 48142752

約数和(自身を除く): 26156034

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4621, 4758, 9242, 13863, 27726, 60073, 120146, 180219, 281881, 360438, 563762, 845643, 1691286, 3664453, 7328906, 10993359, 21986718]

約数ペア:

[(1, 21986718), (2, 10993359), (3, 7328906), (6, 3664453), (13, 1691286), (26, 845643), (39, 563762), (61, 360438), (78, 281881), (122, 180219), (183, 120146), (366, 60073), (793, 27726), (1586, 13863), (2379, 9242), (4621, 4758)]