21771396

素因数分解:

$2^2\times 3^3\times {\mathrm{199}}^1\times {\mathrm{1013}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 56784000

約数和(自身を除く): 35012604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 199, 398, 597, 796, 1013, 1194, 1791, 2026, 2388, 3039, 3582, 4052, 5373, 6078, 7164, 9117, 10746, 12156, 18234, 21492, 27351, 36468, 54702, 109404, 201587, 403174, 604761, 806348, 1209522, 1814283, 2419044, 3628566, 5442849, 7257132, 10885698, 21771396]

約数ペア:

[(1, 21771396), (2, 10885698), (3, 7257132), (4, 5442849), (6, 3628566), (9, 2419044), (12, 1814283), (18, 1209522), (27, 806348), (36, 604761), (54, 403174), (108, 201587), (199, 109404), (398, 54702), (597, 36468), (796, 27351), (1013, 21492), (1194, 18234), (1791, 12156), (2026, 10746), (2388, 9117), (3039, 7164), (3582, 6078), (4052, 5373)]