21000929014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{1399}}^1$

素因数の和:1949

約数の個数: 64

約数和(自身を含む): 36013824000

約数和(自身を除く): 15012894986

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 463, 559, 754, 926, 1118, 1247, 1399, 2494, 2798, 6019, 12038, 13427, 16211, 18187, 19909, 26854, 32422, 36374, 39818, 40571, 60157, 81142, 120314, 174551, 258817, 349102, 517634, 527423, 577361, 647737, 782041, 1054846, 1154722, 1295474, 1564082, 1744553, 3489106, 7505693, 8420581, 15011386, 16841162, 18784373, 22679189, 27852691, 37568746, 45358378, 55705382, 244196849, 362084983, 488393698, 724169966, 807728039, 1615456078, 10500464507, 21000929014]

約数ペア:

[(1, 21000929014), (2, 10500464507), (13, 1615456078), (26, 807728039), (29, 724169966), (43, 488393698), (58, 362084983), (86, 244196849), (377, 55705382), (463, 45358378), (559, 37568746), (754, 27852691), (926, 22679189), (1118, 18784373), (1247, 16841162), (1399, 15011386), (2494, 8420581), (2798, 7505693), (6019, 3489106), (12038, 1744553), (13427, 1564082), (16211, 1295474), (18187, 1154722), (19909, 1054846), (26854, 782041), (32422, 647737), (36374, 577361), (39818, 527423), (40571, 517634), (60157, 349102), (81142, 258817), (120314, 174551)]