21328045101

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1\times {\mathrm{1747}}^1$

素因数の和:2862

約数の個数: 48

約数和(自身を含む): 33926750208

約数和(自身を除く): 12598705107

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 971, 1143, 1397, 1747, 2913, 4191, 5241, 8739, 10681, 12573, 15723, 19217, 32043, 57651, 96129, 123317, 172953, 221869, 369951, 665607, 1109853, 1356487, 1696337, 1996821, 2440559, 4069461, 5089011, 7321677, 12208383, 15267033, 18659707, 21965031, 55979121, 167937363, 215434799, 646304397, 1938913191, 2369782789, 7109348367, 21328045101]

約数ペア:

[(1, 21328045101), (3, 7109348367), (9, 2369782789), (11, 1938913191), (33, 646304397), (99, 215434799), (127, 167937363), (381, 55979121), (971, 21965031), (1143, 18659707), (1397, 15267033), (1747, 12208383), (2913, 7321677), (4191, 5089011), (5241, 4069461), (8739, 2440559), (10681, 1996821), (12573, 1696337), (15723, 1356487), (19217, 1109853), (32043, 665607), (57651, 369951), (96129, 221869), (123317, 172953)]