21975588

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7727}}^1$

素因数の和:7816

約数の個数: 36

約数和(自身を含む): 56259840

約数和(自身を除く): 34284252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7727, 15454, 23181, 30908, 46362, 69543, 92724, 139086, 278172, 610433, 1220866, 1831299, 2441732, 3662598, 5493897, 7325196, 10987794, 21975588]

約数ペア:

[(1, 21975588), (2, 10987794), (3, 7325196), (4, 5493897), (6, 3662598), (9, 2441732), (12, 1831299), (18, 1220866), (36, 610433), (79, 278172), (158, 139086), (237, 92724), (316, 69543), (474, 46362), (711, 30908), (948, 23181), (1422, 15454), (2844, 7727)]