21058023

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{593}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13156377

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 593, 623, 1691, 1779, 1869, 4151, 5073, 11267, 11837, 12453, 33801, 35511, 52777, 78869, 158331, 236607, 369439, 1002763, 1108317, 3008289, 7019341, 21058023]

約数ペア:

[(1, 21058023), (3, 7019341), (7, 3008289), (19, 1108317), (21, 1002763), (57, 369439), (89, 236607), (133, 158331), (267, 78869), (399, 52777), (593, 35511), (623, 33801), (1691, 12453), (1779, 11837), (1869, 11267), (4151, 5073)]