21710619

素因数分解:

$3^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 36976640

約数和(自身を除く): 15266021

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 313, 367, 939, 1101, 2191, 2569, 2817, 3303, 6573, 7707, 8451, 9909, 19719, 23121, 59157, 69363, 114871, 344613, 804097, 1033839, 2412291, 3101517, 7236873, 21710619]

約数ペア:

[(1, 21710619), (3, 7236873), (7, 3101517), (9, 2412291), (21, 1033839), (27, 804097), (63, 344613), (189, 114871), (313, 69363), (367, 59157), (939, 23121), (1101, 19719), (2191, 9909), (2569, 8451), (2817, 7707), (3303, 6573)]