21508892

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 38707200

約数和(自身を除く): 17198308

約数列:

[1, 2, 4, 47, 94, 188, 191, 382, 599, 764, 1198, 2396, 8977, 17954, 28153, 35908, 56306, 112612, 114409, 228818, 457636, 5377223, 10754446, 21508892]

約数ペア:

[(1, 21508892), (2, 10754446), (4, 5377223), (47, 457636), (94, 228818), (188, 114409), (191, 112612), (382, 56306), (599, 35908), (764, 28153), (1198, 17954), (2396, 8977)]