21620658

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1783}}^1$

素因数の和:1878

約数の個数: 32

約数和(自身を含む): 45213696

約数和(自身を除く): 23593038

約数列:

[1, 2, 3, 6, 43, 47, 86, 94, 129, 141, 258, 282, 1783, 2021, 3566, 4042, 5349, 6063, 10698, 12126, 76669, 83801, 153338, 167602, 230007, 251403, 460014, 502806, 3603443, 7206886, 10810329, 21620658]

約数ペア:

[(1, 21620658), (2, 10810329), (3, 7206886), (6, 3603443), (43, 502806), (47, 460014), (86, 251403), (94, 230007), (129, 167602), (141, 153338), (258, 83801), (282, 76669), (1783, 12126), (2021, 10698), (3566, 6063), (4042, 5349)]