21661406

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3373}}^1$

素因数の和:3420

約数の個数: 24

約数和(自身を含む): 37046520

約数和(自身を除く): 15385114

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 3373, 6422, 6746, 43849, 64087, 87698, 128174, 570037, 833131, 1140074, 1666262, 10830703, 21661406]

約数ペア:

[(1, 21661406), (2, 10830703), (13, 1666262), (19, 1140074), (26, 833131), (38, 570037), (169, 128174), (247, 87698), (338, 64087), (494, 43849), (3211, 6746), (3373, 6422)]