21815970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{66109}}^1$

素因数の和:66130

約数の個数: 32

約数和(自身を含む): 57119040

約数和(自身を除く): 35303070

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 66109, 132218, 198327, 330545, 396654, 661090, 727199, 991635, 1454398, 1983270, 2181597, 3635995, 4363194, 7271990, 10907985, 21815970]

約数ペア:

[(1, 21815970), (2, 10907985), (3, 7271990), (5, 4363194), (6, 3635995), (10, 2181597), (11, 1983270), (15, 1454398), (22, 991635), (30, 727199), (33, 661090), (55, 396654), (66, 330545), (110, 198327), (165, 132218), (330, 66109)]