21851482

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:418

約数の個数: 24

約数和(自身を含む): 35436960

約数和(自身を除く): 13585478

約数列:

[1, 2, 19, 38, 43, 86, 311, 622, 817, 1634, 1849, 3698, 5909, 11818, 13373, 26746, 35131, 70262, 254087, 508174, 575039, 1150078, 10925741, 21851482]

約数ペア:

[(1, 21851482), (2, 10925741), (19, 1150078), (38, 575039), (43, 508174), (86, 254087), (311, 70262), (622, 35131), (817, 26746), (1634, 13373), (1849, 11818), (3698, 5909)]