21103654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 37576224

約数和(自身を除く): 16472570

約数列:

[1, 2, 11, 13, 22, 26, 113, 143, 226, 286, 653, 1243, 1306, 1469, 2486, 2938, 7183, 8489, 14366, 16159, 16978, 32318, 73789, 93379, 147578, 186758, 811679, 959257, 1623358, 1918514, 10551827, 21103654]

約数ペア:

[(1, 21103654), (2, 10551827), (11, 1918514), (13, 1623358), (22, 959257), (26, 811679), (113, 186758), (143, 147578), (226, 93379), (286, 73789), (653, 32318), (1243, 16978), (1306, 16159), (1469, 14366), (2486, 8489), (2938, 7183)]