21887706

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 44748288

約数和(自身を除く): 22860582

約数列:

[1, 2, 3, 6, 103, 107, 206, 214, 309, 321, 331, 618, 642, 662, 993, 1986, 11021, 22042, 33063, 34093, 35417, 66126, 68186, 70834, 102279, 106251, 204558, 212502, 3647951, 7295902, 10943853, 21887706]

約数ペア:

[(1, 21887706), (2, 10943853), (3, 7295902), (6, 3647951), (103, 212502), (107, 204558), (206, 106251), (214, 102279), (309, 70834), (321, 68186), (331, 66126), (618, 35417), (642, 34093), (662, 33063), (993, 22042), (1986, 11021)]