21476335

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1091}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 26836992

約数和(自身を除く): 5360657

約数列:

[1, 5, 31, 127, 155, 635, 1091, 3937, 5455, 19685, 33821, 138557, 169105, 692785, 4295267, 21476335]

約数ペア:

[(1, 21476335), (5, 4295267), (31, 692785), (127, 169105), (155, 138557), (635, 33821), (1091, 19685), (3937, 5455)]