21308966

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 38756352

約数和(自身を除く): 17447386

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 217, 259, 434, 518, 1147, 1327, 2294, 2654, 8029, 9289, 16058, 18578, 41137, 49099, 82274, 98198, 287959, 343693, 575918, 687386, 1522069, 3044138, 10654483, 21308966]

約数ペア:

[(1, 21308966), (2, 10654483), (7, 3044138), (14, 1522069), (31, 687386), (37, 575918), (62, 343693), (74, 287959), (217, 98198), (259, 82274), (434, 49099), (518, 41137), (1147, 18578), (1327, 16058), (2294, 9289), (2654, 8029)]