21027572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1619}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 18163468

約数列:

[1, 2, 4, 17, 34, 68, 191, 382, 764, 1619, 3238, 3247, 6476, 6494, 12988, 27523, 55046, 110092, 309229, 618458, 1236916, 5256893, 10513786, 21027572]

約数ペア:

[(1, 21027572), (2, 10513786), (4, 5256893), (17, 1236916), (34, 618458), (68, 309229), (191, 110092), (382, 55046), (764, 27523), (1619, 12988), (3238, 6494), (3247, 6476)]