21106953

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 35992320

約数和(自身を除く): 14885367

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 617, 1267, 1629, 1851, 3801, 4319, 4887, 5553, 11403, 12957, 16659, 34209, 38871, 111677, 116613, 335031, 781739, 1005093, 2345217, 3015279, 7035651, 21106953]

約数ペア:

[(1, 21106953), (3, 7035651), (7, 3015279), (9, 2345217), (21, 1005093), (27, 781739), (63, 335031), (181, 116613), (189, 111677), (543, 38871), (617, 34209), (1267, 16659), (1629, 12957), (1851, 11403), (3801, 5553), (4319, 4887)]