21040596

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1429}}^1$

素因数の和:1848

約数の個数: 36

約数和(自身を含む): 53353300

約数和(自身を除く): 32312704

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1429, 1636, 2454, 2858, 3681, 4287, 4908, 5716, 7362, 8574, 12861, 14724, 17148, 25722, 51444, 584461, 1168922, 1753383, 2337844, 3506766, 5260149, 7013532, 10520298, 21040596]

約数ペア:

[(1, 21040596), (2, 10520298), (3, 7013532), (4, 5260149), (6, 3506766), (9, 2337844), (12, 1753383), (18, 1168922), (36, 584461), (409, 51444), (818, 25722), (1227, 17148), (1429, 14724), (1636, 12861), (2454, 8574), (2858, 7362), (3681, 5716), (4287, 4908)]