21095724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 53312000

約数和(自身を除く): 32216276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 271, 499, 542, 813, 998, 1084, 1497, 1626, 1996, 2994, 3252, 3523, 5988, 6487, 7046, 10569, 12974, 14092, 19461, 21138, 25948, 38922, 42276, 77844, 135229, 270458, 405687, 540916, 811374, 1622748, 1757977, 3515954, 5273931, 7031908, 10547862, 21095724]

約数ペア:

[(1, 21095724), (2, 10547862), (3, 7031908), (4, 5273931), (6, 3515954), (12, 1757977), (13, 1622748), (26, 811374), (39, 540916), (52, 405687), (78, 270458), (156, 135229), (271, 77844), (499, 42276), (542, 38922), (813, 25948), (998, 21138), (1084, 19461), (1497, 14092), (1626, 12974), (1996, 10569), (2994, 7046), (3252, 6487), (3523, 5988)]