21991650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 54841728

約数和(自身を除く): 32850078

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 271, 541, 542, 813, 1082, 1355, 1623, 1626, 2705, 2710, 3246, 4065, 5410, 6775, 8115, 8130, 13525, 13550, 16230, 20325, 27050, 40575, 40650, 81150, 146611, 293222, 439833, 733055, 879666, 1466110, 2199165, 3665275, 4398330, 7330550, 10995825, 21991650]

約数ペア:

[(1, 21991650), (2, 10995825), (3, 7330550), (5, 4398330), (6, 3665275), (10, 2199165), (15, 1466110), (25, 879666), (30, 733055), (50, 439833), (75, 293222), (150, 146611), (271, 81150), (541, 40650), (542, 40575), (813, 27050), (1082, 20325), (1355, 16230), (1623, 13550), (1626, 13525), (2705, 8130), (2710, 8115), (3246, 6775), (4065, 5410)]