21689370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26777}}^1$

素因数の和:26796

約数の個数: 40

約数和(自身を含む): 58322484

約数和(自身を除く): 36633114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26777, 53554, 80331, 133885, 160662, 240993, 267770, 401655, 481986, 722979, 803310, 1204965, 1445958, 2168937, 2409930, 3614895, 4337874, 7229790, 10844685, 21689370]

約数ペア:

[(1, 21689370), (2, 10844685), (3, 7229790), (5, 4337874), (6, 3614895), (9, 2409930), (10, 2168937), (15, 1445958), (18, 1204965), (27, 803310), (30, 722979), (45, 481986), (54, 401655), (81, 267770), (90, 240993), (135, 160662), (162, 133885), (270, 80331), (405, 53554), (810, 26777)]