21503238

素因数分解:

$2^1\times 3^1\times {\mathrm{1321}}^1\times {\mathrm{2713}}^1$

素因数の和:4039

約数の個数: 16

約数和(自身を含む): 43054896

約数和(自身を除く): 21551658

約数列:

[1, 2, 3, 6, 1321, 2642, 2713, 3963, 5426, 7926, 8139, 16278, 3583873, 7167746, 10751619, 21503238]

約数ペア:

[(1, 21503238), (2, 10751619), (3, 7167746), (6, 3583873), (1321, 16278), (2642, 8139), (2713, 7926), (3963, 5426)]