21301350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20287}}^1$

素因数の和:20309

約数の個数: 48

約数和(自身を含む): 60377088

約数和(自身を除く): 39075738

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, 20287, 40574, 60861, 101435, 121722, 142009, 202870, 284018, 304305, 426027, 507175, 608610, 710045, 852054, 1014350, 1420090, 1521525, 2130135, 3043050, 3550225, 4260270, 7100450, 10650675, 21301350]

約数ペア:

[(1, 21301350), (2, 10650675), (3, 7100450), (5, 4260270), (6, 3550225), (7, 3043050), (10, 2130135), (14, 1521525), (15, 1420090), (21, 1014350), (25, 852054), (30, 710045), (35, 608610), (42, 507175), (50, 426027), (70, 304305), (75, 284018), (105, 202870), (150, 142009), (175, 121722), (210, 101435), (350, 60861), (525, 40574), (1050, 20287)]