21881928

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8521}}^1$

素因数の和:8637

約数の個数: 32

約数和(自身を含む): 55222560

約数和(自身を除く): 33340632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8521, 17042, 25563, 34084, 51126, 68168, 102252, 204504, 911747, 1823494, 2735241, 3646988, 5470482, 7293976, 10940964, 21881928]

約数ペア:

[(1, 21881928), (2, 10940964), (3, 7293976), (4, 5470482), (6, 3646988), (8, 2735241), (12, 1823494), (24, 911747), (107, 204504), (214, 102252), (321, 68168), (428, 51126), (642, 34084), (856, 25563), (1284, 17042), (2568, 8521)]