21239632

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{2333}}^1$

素因数の和:2910

約数の個数: 20

約数和(自身を含む): 41241780

約数和(自身を除く): 20002148

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 2333, 4552, 4666, 9104, 9332, 18664, 37328, 1327477, 2654954, 5309908, 10619816, 21239632]

約数ペア:

[(1, 21239632), (2, 10619816), (4, 5309908), (8, 2654954), (16, 1327477), (569, 37328), (1138, 18664), (2276, 9332), (2333, 9104), (4552, 4666)]