21308950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32783}}^1$

素因数の和:32808

約数の個数: 24

約数和(自身を含む): 42684768

約数和(自身を除く): 21375818

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32783, 65566, 163915, 327830, 426179, 819575, 852358, 1639150, 2130895, 4261790, 10654475, 21308950]

約数ペア:

[(1, 21308950), (2, 10654475), (5, 4261790), (10, 2130895), (13, 1639150), (25, 852358), (26, 819575), (50, 426179), (65, 327830), (130, 163915), (325, 65566), (650, 32783)]