21576856

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 49555800

約数和(自身を除く): 27978944

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2897, 3724, 5794, 7448, 11588, 20279, 23176, 40558, 55043, 81116, 110086, 141953, 162232, 220172, 283906, 385301, 440344, 567812, 770602, 1135624, 1541204, 2697107, 3082408, 5394214, 10788428, 21576856]

約数ペア:

[(1, 21576856), (2, 10788428), (4, 5394214), (7, 3082408), (8, 2697107), (14, 1541204), (19, 1135624), (28, 770602), (38, 567812), (49, 440344), (56, 385301), (76, 283906), (98, 220172), (133, 162232), (152, 141953), (196, 110086), (266, 81116), (392, 55043), (532, 40558), (931, 23176), (1064, 20279), (1862, 11588), (2897, 7448), (3724, 5794)]