21593928

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6473}}^1$

素因数の和:6621

約数の個数: 32

約数和(自身を含む): 54381600

約数和(自身を除く): 32787672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6473, 12946, 19419, 25892, 38838, 51784, 77676, 155352, 899747, 1799494, 2699241, 3598988, 5398482, 7197976, 10796964, 21593928]

約数ペア:

[(1, 21593928), (2, 10796964), (3, 7197976), (4, 5398482), (6, 3598988), (8, 2699241), (12, 1799494), (24, 899747), (139, 155352), (278, 77676), (417, 51784), (556, 38838), (834, 25892), (1112, 19419), (1668, 12946), (3336, 6473)]