2021072669

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 2669241600

約数和(自身を除く): 648168931

約数列:

[1, 7, 11, 29, 49, 77, 203, 239, 319, 539, 541, 1421, 1673, 2233, 2629, 3787, 5951, 6931, 11711, 15631, 15689, 18403, 26509, 41657, 48517, 76241, 109823, 128821, 129299, 172579, 291599, 339619, 533687, 768761, 905093, 1208053, 1422289, 3735809, 3749671, 6335651, 8456371, 9956023, 26247697, 41246381, 69692161, 183733879, 288724667, 2021072669]

約数ペア:

[(1, 2021072669), (7, 288724667), (11, 183733879), (29, 69692161), (49, 41246381), (77, 26247697), (203, 9956023), (239, 8456371), (319, 6335651), (539, 3749671), (541, 3735809), (1421, 1422289), (1673, 1208053), (2233, 905093), (2629, 768761), (3787, 533687), (5951, 339619), (6931, 291599), (11711, 172579), (15631, 129299), (15689, 128821), (18403, 109823), (26509, 76241), (41657, 48517)]