21030450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20029}}^1$

素因数の和:20051

約数の個数: 48

約数和(自身を含む): 59609280

約数和(自身を除く): 38578830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20029, 40058, 60087, 100145, 120174, 140203, 200290, 280406, 300435, 420609, 500725, 600870, 701015, 841218, 1001450, 1402030, 1502175, 2103045, 3004350, 3505075, 4206090, 7010150, 10515225, 21030450]

約数ペア:

[(1, 21030450), (2, 10515225), (3, 7010150), (5, 4206090), (6, 3505075), (7, 3004350), (10, 2103045), (14, 1502175), (15, 1402030), (21, 1001450), (25, 841218), (30, 701015), (35, 600870), (42, 500725), (50, 420609), (70, 300435), (75, 280406), (105, 200290), (150, 140203), (175, 120174), (210, 100145), (350, 60087), (525, 40058), (1050, 20029)]