21109334162

素因数分解:

$2^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{557}}^1\times {\mathrm{1427}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 37061877888

約数和(自身を除く): 15952543726

約数列:

[1, 2, 7, 14, 49, 98, 271, 542, 557, 1114, 1427, 1897, 2854, 3794, 3899, 7798, 9989, 13279, 19978, 26558, 27293, 54586, 69923, 139846, 150947, 301894, 386717, 773434, 794839, 1056629, 1589678, 2113258, 2707019, 5414038, 5563873, 7396403, 11127746, 14792806, 18949133, 37898266, 38947111, 77894222, 215401369, 430802738, 1507809583, 3015619166, 10554667081, 21109334162]

約数ペア:

[(1, 21109334162), (2, 10554667081), (7, 3015619166), (14, 1507809583), (49, 430802738), (98, 215401369), (271, 77894222), (542, 38947111), (557, 37898266), (1114, 18949133), (1427, 14792806), (1897, 11127746), (2854, 7396403), (3794, 5563873), (3899, 5414038), (7798, 2707019), (9989, 2113258), (13279, 1589678), (19978, 1056629), (26558, 794839), (27293, 773434), (54586, 386717), (69923, 301894), (139846, 150947)]