21325164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253871}}^1$

素因数の和:253885

約数の個数: 24

約数和(自身を含む): 56867328

約数和(自身を除く): 35542164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253871, 507742, 761613, 1015484, 1523226, 1777097, 3046452, 3554194, 5331291, 7108388, 10662582, 21325164]

約数ペア:

[(1, 21325164), (2, 10662582), (3, 7108388), (4, 5331291), (6, 3554194), (7, 3046452), (12, 1777097), (14, 1523226), (21, 1015484), (28, 761613), (42, 507742), (84, 253871)]