21830697

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2003}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 36264384

約数和(自身を除く): 14433687

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 2003, 3633, 6009, 10899, 14021, 18027, 42063, 126189, 346519, 1039557, 2425633, 3118671, 7276899, 21830697]

約数ペア:

[(1, 21830697), (3, 7276899), (7, 3118671), (9, 2425633), (21, 1039557), (63, 346519), (173, 126189), (519, 42063), (1211, 18027), (1557, 14021), (2003, 10899), (3633, 6009)]