21721224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{129293}}^1$

素因数の和:129309

約数の個数: 32

約数和(自身を含む): 62061120

約数和(自身を除く): 40339896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 129293, 258586, 387879, 517172, 775758, 905051, 1034344, 1551516, 1810102, 2715153, 3103032, 3620204, 5430306, 7240408, 10860612, 21721224]

約数ペア:

[(1, 21721224), (2, 10860612), (3, 7240408), (4, 5430306), (6, 3620204), (7, 3103032), (8, 2715153), (12, 1810102), (14, 1551516), (21, 1034344), (24, 905051), (28, 775758), (42, 517172), (56, 387879), (84, 258586), (168, 129293)]