21265487206

素因数分解:

$2^1\times {\mathrm{1063}}^1\times {\mathrm{2381}}^1\times {\mathrm{4201}}^1$

素因数の和:7647

約数の個数: 16

約数和(自身を含む): 31949251488

約数和(自身を除く): 10683764282

約数列:

[1, 2, 1063, 2126, 2381, 4201, 4762, 8402, 2531003, 4465663, 5062006, 8931326, 10002581, 20005162, 10632743603, 21265487206]

約数ペア:

[(1, 21265487206), (2, 10632743603), (1063, 20005162), (2126, 10002581), (2381, 8931326), (4201, 5062006), (4762, 4465663), (8402, 2531003)]