21107044

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{953}}^1$

素因数の和:1084

約数の個数: 36

約数和(自身を含む): 43393644

約数和(自身を除く): 22286600

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 452, 791, 953, 1582, 1906, 3164, 3812, 5537, 6671, 11074, 13342, 22148, 26684, 46697, 93394, 107689, 186788, 215378, 430756, 753823, 1507646, 3015292, 5276761, 10553522, 21107044]

約数ペア:

[(1, 21107044), (2, 10553522), (4, 5276761), (7, 3015292), (14, 1507646), (28, 753823), (49, 430756), (98, 215378), (113, 186788), (196, 107689), (226, 93394), (452, 46697), (791, 26684), (953, 22148), (1582, 13342), (1906, 11074), (3164, 6671), (3812, 5537)]