21001574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 36979200

約数和(自身を除く): 15977626

約数列:

[1, 2, 11, 19, 22, 38, 47, 94, 209, 418, 517, 893, 1034, 1069, 1786, 2138, 9823, 11759, 19646, 20311, 23518, 40622, 50243, 100486, 223421, 446842, 552673, 954617, 1105346, 1909234, 10500787, 21001574]

約数ペア:

[(1, 21001574), (2, 10500787), (11, 1909234), (19, 1105346), (22, 954617), (38, 552673), (47, 446842), (94, 223421), (209, 100486), (418, 50243), (517, 40622), (893, 23518), (1034, 20311), (1069, 19646), (1786, 11759), (2138, 9823)]