21371646

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{617}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 44851968

約数和(自身を除く): 23480322

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 251, 502, 617, 753, 1234, 1506, 1851, 3702, 5773, 11546, 14191, 17319, 28382, 34638, 42573, 85146, 154867, 309734, 464601, 929202, 3561941, 7123882, 10685823, 21371646]

約数ペア:

[(1, 21371646), (2, 10685823), (3, 7123882), (6, 3561941), (23, 929202), (46, 464601), (69, 309734), (138, 154867), (251, 85146), (502, 42573), (617, 34638), (753, 28382), (1234, 17319), (1506, 14191), (1851, 11546), (3702, 5773)]