21553486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6373}}^1$

素因数の和:6483

約数の個数: 16

約数和(自身を含む): 34419600

約数和(自身を除く): 12866114

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6373, 12746, 121087, 242174, 567197, 1134394, 10776743, 21553486]

約数ペア:

[(1, 21553486), (2, 10776743), (19, 1134394), (38, 567197), (89, 242174), (178, 121087), (1691, 12746), (3382, 6373)]