210004221

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{43669}}^1$

素因数の和:43908

約数の個数: 16

約数和(自身を含む): 321411200

約数和(自身を除く): 111406979

約数列:

[1, 3, 7, 21, 229, 687, 1603, 4809, 43669, 131007, 305683, 917049, 10000201, 30000603, 70001407, 210004221]

約数ペア:

[(1, 210004221), (3, 70001407), (7, 30000603), (21, 10000201), (229, 917049), (687, 305683), (1603, 131007), (4809, 43669)]