21818040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 66074400

約数和(自身を除く): 44256360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1609, 1695, 2260, 2712, 3218, 3390, 4520, 4827, 6436, 6780, 8045, 9654, 12872, 13560, 16090, 19308, 24135, 32180, 38616, 48270, 64360, 96540, 181817, 193080, 363634, 545451, 727268, 909085, 1090902, 1454536, 1818170, 2181804, 2727255, 3636340, 4363608, 5454510, 7272680, 10909020, 21818040]

約数ペア:

[(1, 21818040), (2, 10909020), (3, 7272680), (4, 5454510), (5, 4363608), (6, 3636340), (8, 2727255), (10, 2181804), (12, 1818170), (15, 1454536), (20, 1090902), (24, 909085), (30, 727268), (40, 545451), (60, 363634), (113, 193080), (120, 181817), (226, 96540), (339, 64360), (452, 48270), (565, 38616), (678, 32180), (904, 24135), (1130, 19308), (1356, 16090), (1609, 13560), (1695, 12872), (2260, 9654), (2712, 8045), (3218, 6780), (3390, 6436), (4520, 4827)]