21310096

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70099}}^1$

素因数の和:70126

約数の個数: 20

約数和(自身を含む): 43462000

約数和(自身を除く): 22151904

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70099, 140198, 280396, 560792, 1121584, 1331881, 2663762, 5327524, 10655048, 21310096]

約数ペア:

[(1, 21310096), (2, 10655048), (4, 5327524), (8, 2663762), (16, 1331881), (19, 1121584), (38, 560792), (76, 280396), (152, 140198), (304, 70099)]