21556248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128311}}^1$

素因数の和:128327

約数の個数: 32

約数和(自身を含む): 61589760

約数和(自身を除く): 40033512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128311, 256622, 384933, 513244, 769866, 898177, 1026488, 1539732, 1796354, 2694531, 3079464, 3592708, 5389062, 7185416, 10778124, 21556248]

約数ペア:

[(1, 21556248), (2, 10778124), (3, 7185416), (4, 5389062), (6, 3592708), (7, 3079464), (8, 2694531), (12, 1796354), (14, 1539732), (21, 1026488), (24, 898177), (28, 769866), (42, 513244), (56, 384933), (84, 256622), (168, 128311)]