21121392

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3359}}^1$

素因数の和:3501

約数の個数: 40

約数和(自身を含む): 54996480

約数和(自身を除く): 33875088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3359, 6288, 6718, 10077, 13436, 20154, 26872, 40308, 53744, 80616, 161232, 440029, 880058, 1320087, 1760116, 2640174, 3520232, 5280348, 7040464, 10560696, 21121392]

約数ペア:

[(1, 21121392), (2, 10560696), (3, 7040464), (4, 5280348), (6, 3520232), (8, 2640174), (12, 1760116), (16, 1320087), (24, 880058), (48, 440029), (131, 161232), (262, 80616), (393, 53744), (524, 40308), (786, 26872), (1048, 20154), (1572, 13436), (2096, 10077), (3144, 6718), (3359, 6288)]