2021061968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{65011}}^1$

素因数の和:65115

約数の個数: 40

約数和(自身を含む): 4111358880

約数和(自身を除く): 2090296912

約数列:

[1, 2, 4, 8, 16, 29, 58, 67, 116, 134, 232, 268, 464, 536, 1072, 1943, 3886, 7772, 15544, 31088, 65011, 130022, 260044, 520088, 1040176, 1885319, 3770638, 4355737, 7541276, 8711474, 15082552, 17422948, 30165104, 34845896, 69691792, 126316373, 252632746, 505265492, 1010530984, 2021061968]

約数ペア:

[(1, 2021061968), (2, 1010530984), (4, 505265492), (8, 252632746), (16, 126316373), (29, 69691792), (58, 34845896), (67, 30165104), (116, 17422948), (134, 15082552), (232, 8711474), (268, 7541276), (464, 4355737), (536, 3770638), (1072, 1885319), (1943, 1040176), (3886, 520088), (7772, 260044), (15544, 130022), (31088, 65011)]