21130034

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 34378752

約数和(自身を除く): 13248718

約数列:

[1, 2, 31, 37, 61, 62, 74, 122, 151, 302, 1147, 1891, 2257, 2294, 3782, 4514, 4681, 5587, 9211, 9362, 11174, 18422, 69967, 139934, 173197, 285541, 340807, 346394, 571082, 681614, 10565017, 21130034]

約数ペア:

[(1, 21130034), (2, 10565017), (31, 681614), (37, 571082), (61, 346394), (62, 340807), (74, 285541), (122, 173197), (151, 139934), (302, 69967), (1147, 18422), (1891, 11174), (2257, 9362), (2294, 9211), (3782, 5587), (4514, 4681)]