21838385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3583}}^1$

素因数の和:3664

約数の個数: 16

約数和(自身を含む): 27869184

約数和(自身を除く): 6030799

約数列:

[1, 5, 23, 53, 115, 265, 1219, 3583, 6095, 17915, 82409, 189899, 412045, 949495, 4367677, 21838385]

約数ペア:

[(1, 21838385), (5, 4367677), (23, 949495), (53, 412045), (115, 189899), (265, 82409), (1219, 17915), (3583, 6095)]