21028650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{140191}}^1$

素因数の和:140206

約数の個数: 24

約数和(自身を含む): 52151424

約数和(自身を除く): 31122774

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 140191, 280382, 420573, 700955, 841146, 1401910, 2102865, 3504775, 4205730, 7009550, 10514325, 21028650]

約数ペア:

[(1, 21028650), (2, 10514325), (3, 7009550), (5, 4205730), (6, 3504775), (10, 2102865), (15, 1401910), (25, 841146), (30, 700955), (50, 420573), (75, 280382), (150, 140191)]