21144474

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 49849800

約数和(自身を除く): 28705326

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 109, 117, 218, 234, 327, 654, 829, 981, 1417, 1658, 1962, 2487, 2834, 4251, 4974, 7461, 8502, 10777, 12753, 14922, 21554, 25506, 32331, 64662, 90361, 96993, 180722, 193986, 271083, 542166, 813249, 1174693, 1626498, 2349386, 3524079, 7048158, 10572237, 21144474]

約数ペア:

[(1, 21144474), (2, 10572237), (3, 7048158), (6, 3524079), (9, 2349386), (13, 1626498), (18, 1174693), (26, 813249), (39, 542166), (78, 271083), (109, 193986), (117, 180722), (218, 96993), (234, 90361), (327, 64662), (654, 32331), (829, 25506), (981, 21554), (1417, 14922), (1658, 12753), (1962, 10777), (2487, 8502), (2834, 7461), (4251, 4974)]