21723828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258617}}^1$

素因数の和:258631

約数の個数: 24

約数和(自身を含む): 57930432

約数和(自身を除く): 36206604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258617, 517234, 775851, 1034468, 1551702, 1810319, 3103404, 3620638, 5430957, 7241276, 10861914, 21723828]

約数ペア:

[(1, 21723828), (2, 10861914), (3, 7241276), (4, 5430957), (6, 3620638), (7, 3103404), (12, 1810319), (14, 1551702), (21, 1034468), (28, 775851), (42, 517234), (84, 258617)]