21094654

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 38943936

約数和(自身を除く): 17849282

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1453, 2074, 2906, 7259, 10171, 14518, 20342, 24701, 49402, 88633, 172907, 177266, 345814, 620431, 1240862, 1506761, 3013522, 10547327, 21094654]

約数ペア:

[(1, 21094654), (2, 10547327), (7, 3013522), (14, 1506761), (17, 1240862), (34, 620431), (61, 345814), (119, 177266), (122, 172907), (238, 88633), (427, 49402), (854, 24701), (1037, 20342), (1453, 14518), (2074, 10171), (2906, 7259)]