21474807

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 30723840

約数和(自身を除く): 9249033

約数列:

[1, 3, 19, 57, 79, 237, 251, 361, 753, 1083, 1501, 4503, 4769, 14307, 19829, 28519, 59487, 85557, 90611, 271833, 376751, 1130253, 7158269, 21474807]

約数ペア:

[(1, 21474807), (3, 7158269), (19, 1130253), (57, 376751), (79, 271833), (237, 90611), (251, 85557), (361, 59487), (753, 28519), (1083, 19829), (1501, 14307), (4503, 4769)]