21493150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61409}}^1$

素因数の和:61428

約数の個数: 24

約数和(自身を含む): 45689040

約数和(自身を除く): 24195890

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 61409, 122818, 307045, 429863, 614090, 859726, 1535225, 2149315, 3070450, 4298630, 10746575, 21493150]

約数ペア:

[(1, 21493150), (2, 10746575), (5, 4298630), (7, 3070450), (10, 2149315), (14, 1535225), (25, 859726), (35, 614090), (50, 429863), (70, 307045), (175, 122818), (350, 61409)]