21145350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4861}}^1$

素因数の和:4905

約数の個数: 48

約数和(自身を含む): 54259920

約数和(自身を除く): 33114570

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4861, 9722, 14583, 24305, 29166, 48610, 72915, 121525, 140969, 145830, 243050, 281938, 364575, 422907, 704845, 729150, 845814, 1409690, 2114535, 3524225, 4229070, 7048450, 10572675, 21145350]

約数ペア:

[(1, 21145350), (2, 10572675), (3, 7048450), (5, 4229070), (6, 3524225), (10, 2114535), (15, 1409690), (25, 845814), (29, 729150), (30, 704845), (50, 422907), (58, 364575), (75, 281938), (87, 243050), (145, 145830), (150, 140969), (174, 121525), (290, 72915), (435, 48610), (725, 29166), (870, 24305), (1450, 14583), (2175, 9722), (4350, 4861)]