21521238

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{563}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 45156096

約数和(自身を除く): 23634858

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 277, 554, 563, 831, 1126, 1662, 1689, 3378, 6371, 12742, 12949, 19113, 25898, 38226, 38847, 77694, 155951, 311902, 467853, 935706, 3586873, 7173746, 10760619, 21521238]

約数ペア:

[(1, 21521238), (2, 10760619), (3, 7173746), (6, 3586873), (23, 935706), (46, 467853), (69, 311902), (138, 155951), (277, 77694), (554, 38847), (563, 38226), (831, 25898), (1126, 19113), (1662, 12949), (1689, 12742), (3378, 6371)]