21543065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 28498176

約数和(自身を除く): 6955111

約数列:

[1, 5, 23, 37, 61, 83, 115, 185, 305, 415, 851, 1403, 1909, 2257, 3071, 4255, 5063, 7015, 9545, 11285, 15355, 25315, 51911, 70633, 116449, 187331, 259555, 353165, 582245, 936655, 4308613, 21543065]

約数ペア:

[(1, 21543065), (5, 4308613), (23, 936655), (37, 582245), (61, 353165), (83, 259555), (115, 187331), (185, 116449), (305, 70633), (415, 51911), (851, 25315), (1403, 15355), (1909, 11285), (2257, 9545), (3071, 7015), (4255, 5063)]