21841222

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 36

約数和(自身を含む): 37650420

約数和(自身を除く): 15809198

約数列:

[1, 2, 13, 19, 26, 38, 169, 179, 247, 338, 358, 361, 494, 722, 2327, 3211, 3401, 4654, 4693, 6422, 6802, 9386, 30251, 44213, 60502, 61009, 64619, 88426, 122018, 129238, 574769, 840047, 1149538, 1680094, 10920611, 21841222]

約数ペア:

[(1, 21841222), (2, 10920611), (13, 1680094), (19, 1149538), (26, 840047), (38, 574769), (169, 129238), (179, 122018), (247, 88426), (338, 64619), (358, 61009), (361, 60502), (494, 44213), (722, 30251), (2327, 9386), (3211, 6802), (3401, 6422), (4654, 4693)]