21801690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80747}}^1$

素因数の和:80763

約数の個数: 32

約数和(自身を含む): 58138560

約数和(自身を除く): 36336870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80747, 161494, 242241, 403735, 484482, 726723, 807470, 1211205, 1453446, 2180169, 2422410, 3633615, 4360338, 7267230, 10900845, 21801690]

約数ペア:

[(1, 21801690), (2, 10900845), (3, 7267230), (5, 4360338), (6, 3633615), (9, 2422410), (10, 2180169), (15, 1453446), (18, 1211205), (27, 807470), (30, 726723), (45, 484482), (54, 403735), (90, 242241), (135, 161494), (270, 80747)]