21518298

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7024

約数の個数: 40

約数和(自身を含む): 50761920

約数和(自身を除く): 29243622

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6991, 13982, 20973, 41946, 62919, 125838, 132829, 188757, 265658, 377514, 398487, 566271, 796974, 1132542, 1195461, 2390922, 3586383, 7172766, 10759149, 21518298]

約数ペア:

[(1, 21518298), (2, 10759149), (3, 7172766), (6, 3586383), (9, 2390922), (18, 1195461), (19, 1132542), (27, 796974), (38, 566271), (54, 398487), (57, 377514), (81, 265658), (114, 188757), (162, 132829), (171, 125838), (342, 62919), (513, 41946), (1026, 20973), (1539, 13982), (3078, 6991)]