21605202

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^2\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 36

約数和(自身を含む): 48408750

約数和(自身を除く): 26803548

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 961, 1249, 1922, 2498, 2883, 3747, 5766, 7494, 8649, 11241, 17298, 22482, 38719, 77438, 116157, 232314, 348471, 696942, 1200289, 2400578, 3600867, 7201734, 10802601, 21605202]

約数ペア:

[(1, 21605202), (2, 10802601), (3, 7201734), (6, 3600867), (9, 2400578), (18, 1200289), (31, 696942), (62, 348471), (93, 232314), (186, 116157), (279, 77438), (558, 38719), (961, 22482), (1249, 17298), (1922, 11241), (2498, 8649), (2883, 7494), (3747, 5766)]