21788930

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{58889}}^1$

素因数の和:58933

約数の個数: 16

約数和(自身を含む): 40280760

約数和(自身を除く): 18491830

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 58889, 117778, 294445, 588890, 2178893, 4357786, 10894465, 21788930]

約数ペア:

[(1, 21788930), (2, 10894465), (5, 4357786), (10, 2178893), (37, 588890), (74, 294445), (185, 117778), (370, 58889)]