21622228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 18385292

約数列:

[1, 2, 4, 19, 38, 76, 293, 586, 971, 1172, 1942, 3884, 5567, 11134, 18449, 22268, 36898, 73796, 284503, 569006, 1138012, 5405557, 10811114, 21622228]

約数ペア:

[(1, 21622228), (2, 10811114), (4, 5405557), (19, 1138012), (38, 569006), (76, 284503), (293, 73796), (586, 36898), (971, 22268), (1172, 18449), (1942, 11134), (3884, 5567)]