21606450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4967}}^1$

素因数の和:5011

約数の個数: 48

約数和(自身を含む): 55442880

約数和(自身を除く): 33836430

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, 4967, 9934, 14901, 24835, 29802, 49670, 74505, 124175, 144043, 149010, 248350, 288086, 372525, 432129, 720215, 745050, 864258, 1440430, 2160645, 3601075, 4321290, 7202150, 10803225, 21606450]

約数ペア:

[(1, 21606450), (2, 10803225), (3, 7202150), (5, 4321290), (6, 3601075), (10, 2160645), (15, 1440430), (25, 864258), (29, 745050), (30, 720215), (50, 432129), (58, 372525), (75, 288086), (87, 248350), (145, 149010), (150, 144043), (174, 124175), (290, 74505), (435, 49670), (725, 29802), (870, 24835), (1450, 14901), (2175, 9934), (4350, 4967)]