21349726

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:843

約数の個数: 16

約数和(自身を含む): 32634000

約数和(自身を除く): 11284274

約数列:

[1, 2, 73, 146, 349, 419, 698, 838, 25477, 30587, 50954, 61174, 146231, 292462, 10674863, 21349726]

約数ペア:

[(1, 21349726), (2, 10674863), (73, 292462), (146, 146231), (349, 61174), (419, 50954), (698, 30587), (838, 25477)]