21235150

素因数分解:

$2^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1777}}^1$

素因数の和:2028

約数の個数: 24

約数和(自身を含む): 39684960

約数和(自身を除く): 18449810

約数列:

[1, 2, 5, 10, 25, 50, 239, 478, 1195, 1777, 2390, 3554, 5975, 8885, 11950, 17770, 44425, 88850, 424703, 849406, 2123515, 4247030, 10617575, 21235150]

約数ペア:

[(1, 21235150), (2, 10617575), (5, 4247030), (10, 2123515), (25, 849406), (50, 424703), (239, 88850), (478, 44425), (1195, 17770), (1777, 11950), (2390, 8885), (3554, 5975)]