21294574

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 39004416

約数和(自身を除く): 17709842

約数列:

[1, 2, 7, 14, 17, 34, 119, 131, 238, 262, 683, 917, 1366, 1834, 2227, 4454, 4781, 9562, 11611, 15589, 23222, 31178, 81277, 89473, 162554, 178946, 626311, 1252622, 1521041, 3042082, 10647287, 21294574]

約数ペア:

[(1, 21294574), (2, 10647287), (7, 3042082), (14, 1521041), (17, 1252622), (34, 626311), (119, 178946), (131, 162554), (238, 89473), (262, 81277), (683, 31178), (917, 23222), (1366, 15589), (1834, 11611), (2227, 9562), (4454, 4781)]