21804894

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 50294400

約数和(自身を除く): 28489506

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 618, 619, 927, 1238, 1854, 1857, 1957, 3714, 3914, 5571, 5871, 11142, 11742, 11761, 17613, 23522, 35226, 35283, 63757, 70566, 105849, 127514, 191271, 211698, 382542, 573813, 1147626, 1211383, 2422766, 3634149, 7268298, 10902447, 21804894]

約数ペア:

[(1, 21804894), (2, 10902447), (3, 7268298), (6, 3634149), (9, 2422766), (18, 1211383), (19, 1147626), (38, 573813), (57, 382542), (103, 211698), (114, 191271), (171, 127514), (206, 105849), (309, 70566), (342, 63757), (618, 35283), (619, 35226), (927, 23522), (1238, 17613), (1854, 11761), (1857, 11742), (1957, 11142), (3714, 5871), (3914, 5571)]