21803685

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 35478624

約数和(自身を除く): 13674939

約数列:

[1, 3, 5, 15, 83, 211, 249, 415, 633, 1055, 1245, 3165, 6889, 17513, 20667, 34445, 52539, 87565, 103335, 262695, 1453579, 4360737, 7267895, 21803685]

約数ペア:

[(1, 21803685), (3, 7267895), (5, 4360737), (15, 1453579), (83, 262695), (211, 103335), (249, 87565), (415, 52539), (633, 34445), (1055, 20667), (1245, 17513), (3165, 6889)]