21031835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3011}}^1$

素因数の和:3154

約数の個数: 16

約数和(自身を含む): 27758592

約数和(自身を除く): 6726757

約数列:

[1, 5, 11, 55, 127, 635, 1397, 3011, 6985, 15055, 33121, 165605, 382397, 1911985, 4206367, 21031835]

約数ペア:

[(1, 21031835), (5, 4206367), (11, 1911985), (55, 382397), (127, 165605), (635, 33121), (1397, 15055), (3011, 6985)]