21262570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{6199}}^1$

素因数の和:6227

約数の個数: 32

約数和(自身を含む): 44640000

約数和(自身を除く): 23377430

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 6199, 12398, 30995, 43393, 61990, 86786, 216965, 303751, 433930, 607502, 1518755, 2126257, 3037510, 4252514, 10631285, 21262570]

約数ペア:

[(1, 21262570), (2, 10631285), (5, 4252514), (7, 3037510), (10, 2126257), (14, 1518755), (35, 607502), (49, 433930), (70, 303751), (98, 216965), (245, 86786), (343, 61990), (490, 43393), (686, 30995), (1715, 12398), (3430, 6199)]