21368172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254383}}^1$

素因数の和:254397

約数の個数: 24

約数和(自身を含む): 56982016

約数和(自身を除く): 35613844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254383, 508766, 763149, 1017532, 1526298, 1780681, 3052596, 3561362, 5342043, 7122724, 10684086, 21368172]

約数ペア:

[(1, 21368172), (2, 10684086), (3, 7122724), (4, 5342043), (6, 3561362), (7, 3052596), (12, 1780681), (14, 1526298), (21, 1017532), (28, 763149), (42, 508766), (84, 254383)]