21938822

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:727

約数の個数: 16

約数和(自身を含む): 33387120

約数和(自身を除く): 11448298

約数列:

[1, 2, 163, 173, 326, 346, 389, 778, 28199, 56398, 63407, 67297, 126814, 134594, 10969411, 21938822]

約数ペア:

[(1, 21938822), (2, 10969411), (163, 134594), (173, 126814), (326, 67297), (346, 63407), (389, 56398), (778, 28199)]