21717950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22861}}^1$

素因数の和:22892

約数の個数: 24

約数和(自身を含む): 42523320

約数和(自身を除く): 20805370

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22861, 45722, 114305, 228610, 434359, 571525, 868718, 1143050, 2171795, 4343590, 10858975, 21717950]

約数ペア:

[(1, 21717950), (2, 10858975), (5, 4343590), (10, 2171795), (19, 1143050), (25, 868718), (38, 571525), (50, 434359), (95, 228610), (190, 114305), (475, 45722), (950, 22861)]