21177510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{727}}^1\times {\mathrm{971}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 50948352

約数和(自身を除く): 29770842

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 727, 971, 1454, 1942, 2181, 2913, 3635, 4362, 4855, 5826, 7270, 9710, 10905, 14565, 21810, 29130, 705917, 1411834, 2117751, 3529585, 4235502, 7059170, 10588755, 21177510]

約数ペア:

[(1, 21177510), (2, 10588755), (3, 7059170), (5, 4235502), (6, 3529585), (10, 2117751), (15, 1411834), (30, 705917), (727, 29130), (971, 21810), (1454, 14565), (1942, 10905), (2181, 9710), (2913, 7270), (3635, 5826), (4362, 4855)]