21165090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7927}}^1$

素因数の和:8026

約数の個数: 32

約数和(自身を含む): 51373440

約数和(自身を除く): 30208350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7927, 15854, 23781, 39635, 47562, 79270, 118905, 237810, 705503, 1411006, 2116509, 3527515, 4233018, 7055030, 10582545, 21165090]

約数ペア:

[(1, 21165090), (2, 10582545), (3, 7055030), (5, 4233018), (6, 3527515), (10, 2116509), (15, 1411006), (30, 705503), (89, 237810), (178, 118905), (267, 79270), (445, 47562), (534, 39635), (890, 23781), (1335, 15854), (2670, 7927)]