21002956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 43775424

約数和(自身を除く): 22772468

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 1033, 1196, 1564, 2066, 4132, 5083, 10166, 13429, 17561, 20332, 23759, 26858, 35122, 47518, 53716, 70244, 95036, 228293, 308867, 403903, 456586, 617734, 807806, 913172, 1235468, 1615612, 5250739, 10501478, 21002956]

約数ペア:

[(1, 21002956), (2, 10501478), (4, 5250739), (13, 1615612), (17, 1235468), (23, 913172), (26, 807806), (34, 617734), (46, 456586), (52, 403903), (68, 308867), (92, 228293), (221, 95036), (299, 70244), (391, 53716), (442, 47518), (598, 35122), (782, 26858), (884, 23759), (1033, 20332), (1196, 17561), (1564, 13429), (2066, 10166), (4132, 5083)]