21000228250

素因数分解:

$2^1\times 5^3\times {\mathrm{84000913}}^1$

素因数の和:84000930

約数の個数: 16

約数和(自身を含む): 39312427752

約数和(自身を除く): 18312199502

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 84000913, 168001826, 420004565, 840009130, 2100022825, 4200045650, 10500114125, 21000228250]

約数ペア:

[(1, 21000228250), (2, 10500114125), (5, 4200045650), (10, 2100022825), (25, 840009130), (50, 420004565), (125, 168001826), (250, 84000913)]