21329958

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1811}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 46271232

約数和(自身を除く): 24941274

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 151, 302, 453, 906, 1811, 1963, 3622, 3926, 5433, 5889, 10866, 11778, 23543, 47086, 70629, 141258, 273461, 546922, 820383, 1640766, 3554993, 7109986, 10664979, 21329958]

約数ペア:

[(1, 21329958), (2, 10664979), (3, 7109986), (6, 3554993), (13, 1640766), (26, 820383), (39, 546922), (78, 273461), (151, 141258), (302, 70629), (453, 47086), (906, 23543), (1811, 11778), (1963, 10866), (3622, 5889), (3926, 5433)]