21156182

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{743}}^1$

素因数の和:1387

約数の個数: 16

約数和(自身を含む): 33212160

約数和(自身を除く): 12055978

約数列:

[1, 2, 23, 46, 619, 743, 1238, 1486, 14237, 17089, 28474, 34178, 459917, 919834, 10578091, 21156182]

約数ペア:

[(1, 21156182), (2, 10578091), (23, 919834), (46, 459917), (619, 34178), (743, 28474), (1238, 17089), (1486, 14237)]