20212227

素因数分解:

$3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{467}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 34444800

約数和(自身を除く): 14232573

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 229, 467, 687, 1401, 1603, 2061, 3269, 4203, 4809, 6183, 9807, 12609, 14427, 29421, 43281, 88263, 106943, 320829, 748601, 962487, 2245803, 2887461, 6737409, 20212227]

約数ペア:

[(1, 20212227), (3, 6737409), (7, 2887461), (9, 2245803), (21, 962487), (27, 748601), (63, 320829), (189, 106943), (229, 88263), (467, 43281), (687, 29421), (1401, 14427), (1603, 12609), (2061, 9807), (3269, 6183), (4203, 4809)]