21591522

素因数分解:

$2^1\times 3^6\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 56

約数和(自身を含む): 49578480

約数和(自身を除く): 27986958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 243, 251, 354, 486, 502, 531, 729, 753, 1062, 1458, 1506, 1593, 2259, 3186, 4518, 4779, 6777, 9558, 13554, 14337, 14809, 20331, 28674, 29618, 40662, 43011, 44427, 60993, 86022, 88854, 121986, 133281, 182979, 266562, 365958, 399843, 799686, 1199529, 2399058, 3598587, 7197174, 10795761, 21591522]

約数ペア:

[(1, 21591522), (2, 10795761), (3, 7197174), (6, 3598587), (9, 2399058), (18, 1199529), (27, 799686), (54, 399843), (59, 365958), (81, 266562), (118, 182979), (162, 133281), (177, 121986), (243, 88854), (251, 86022), (354, 60993), (486, 44427), (502, 43011), (531, 40662), (729, 29618), (753, 28674), (1062, 20331), (1458, 14809), (1506, 14337), (1593, 13554), (2259, 9558), (3186, 6777), (4518, 4779)]