21696045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1627}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 40009728

約数和(自身を除く): 18313683

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1627, 1905, 2667, 4445, 4881, 8135, 11389, 13335, 24405, 34167, 56945, 170835, 206629, 619887, 1033145, 1446403, 3099435, 4339209, 7232015, 21696045]

約数ペア:

[(1, 21696045), (3, 7232015), (5, 4339209), (7, 3099435), (15, 1446403), (21, 1033145), (35, 619887), (105, 206629), (127, 170835), (381, 56945), (635, 34167), (889, 24405), (1627, 13335), (1905, 11389), (2667, 8135), (4445, 4881)]