21708200

素因数分解:

$2^3\times 5^2\times {\mathrm{108541}}^1$

素因数の和:108557

約数の個数: 24

約数和(自身を含む): 50472030

約数和(自身を除く): 28763830

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108541, 217082, 434164, 542705, 868328, 1085410, 2170820, 2713525, 4341640, 5427050, 10854100, 21708200]

約数ペア:

[(1, 21708200), (2, 10854100), (4, 5427050), (5, 4341640), (8, 2713525), (10, 2170820), (20, 1085410), (25, 868328), (40, 542705), (50, 434164), (100, 217082), (200, 108541)]