21938793328

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{91369}}^1$

素因数の和:91769

約数の個数: 40

約数和(自身を含む): 43620038000

約数和(自身を除く): 21681244672

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 349, 688, 698, 1396, 2792, 5584, 15007, 30014, 60028, 91369, 120056, 182738, 240112, 365476, 730952, 1461904, 3928867, 7857734, 15715468, 31430936, 31887781, 62861872, 63775562, 127551124, 255102248, 510204496, 1371174583, 2742349166, 5484698332, 10969396664, 21938793328]

約数ペア:

[(1, 21938793328), (2, 10969396664), (4, 5484698332), (8, 2742349166), (16, 1371174583), (43, 510204496), (86, 255102248), (172, 127551124), (344, 63775562), (349, 62861872), (688, 31887781), (698, 31430936), (1396, 15715468), (2792, 7857734), (5584, 3928867), (15007, 1461904), (30014, 730952), (60028, 365476), (91369, 240112), (120056, 182738)]