21085092

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11953}}^1$

素因数の和:11977

約数の個数: 54

約数和(自身を含む): 62005398

約数和(自身を除く): 40920306

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11953, 23906, 35859, 47812, 71718, 83671, 107577, 143436, 167342, 215154, 251013, 334684, 430308, 502026, 585697, 753039, 1004052, 1171394, 1506078, 1757091, 2342788, 3012156, 3514182, 5271273, 7028364, 10542546, 21085092]

約数ペア:

[(1, 21085092), (2, 10542546), (3, 7028364), (4, 5271273), (6, 3514182), (7, 3012156), (9, 2342788), (12, 1757091), (14, 1506078), (18, 1171394), (21, 1004052), (28, 753039), (36, 585697), (42, 502026), (49, 430308), (63, 334684), (84, 251013), (98, 215154), (126, 167342), (147, 143436), (196, 107577), (252, 83671), (294, 71718), (441, 47812), (588, 35859), (882, 23906), (1764, 11953)]