21044996828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{8713}}^1$

素因数の和:9318

約数の個数: 48

約数和(自身を含む): 39482785440

約数和(自身を除く): 18437788612

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 521, 1042, 1159, 2084, 2318, 4636, 8713, 9899, 17426, 19798, 31781, 34852, 39596, 63562, 127124, 165547, 331094, 531493, 603839, 662188, 1062986, 1207678, 2125972, 2415356, 4539473, 9078946, 10098367, 18157892, 20196734, 40393468, 86249987, 172499974, 276907853, 344999948, 553815706, 1107631412, 5261249207, 10522498414, 21044996828]

約数ペア:

[(1, 21044996828), (2, 10522498414), (4, 5261249207), (19, 1107631412), (38, 553815706), (61, 344999948), (76, 276907853), (122, 172499974), (244, 86249987), (521, 40393468), (1042, 20196734), (1159, 18157892), (2084, 10098367), (2318, 9078946), (4636, 4539473), (8713, 2415356), (9899, 2125972), (17426, 1207678), (19798, 1062986), (31781, 662188), (34852, 603839), (39596, 531493), (63562, 331094), (127124, 165547)]