21612801

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1543}}^1$

素因数の和:1605

約数の個数: 32

約数和(自身を含む): 35573760

約数和(自身を除く): 13960959

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1543, 2001, 4629, 4669, 10801, 14007, 32403, 35489, 44747, 106467, 134241, 248423, 313229, 745269, 939687, 1029181, 3087543, 7204267, 21612801]

約数ペア:

[(1, 21612801), (3, 7204267), (7, 3087543), (21, 1029181), (23, 939687), (29, 745269), (69, 313229), (87, 248423), (161, 134241), (203, 106467), (483, 44747), (609, 35489), (667, 32403), (1543, 14007), (2001, 10801), (4629, 4669)]