21400232

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20145

約数の個数: 32

約数和(自身を含む): 48273600

約数和(自身を除く): 26873368

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20113, 40226, 80452, 140791, 160904, 281582, 382147, 563164, 764294, 1126328, 1528588, 2675029, 3057176, 5350058, 10700116, 21400232]

約数ペア:

[(1, 21400232), (2, 10700116), (4, 5350058), (7, 3057176), (8, 2675029), (14, 1528588), (19, 1126328), (28, 764294), (38, 563164), (56, 382147), (76, 281582), (133, 160904), (152, 140791), (266, 80452), (532, 40226), (1064, 20113)]