21537126

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3021

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30354714

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2969, 3627, 5938, 7254, 8907, 17814, 26721, 38597, 53442, 77194, 92039, 115791, 184078, 231582, 276117, 347373, 552234, 694746, 828351, 1196507, 1656702, 2393014, 3589521, 7179042, 10768563, 21537126]

約数ペア:

[(1, 21537126), (2, 10768563), (3, 7179042), (6, 3589521), (9, 2393014), (13, 1656702), (18, 1196507), (26, 828351), (31, 694746), (39, 552234), (62, 347373), (78, 276117), (93, 231582), (117, 184078), (186, 115791), (234, 92039), (279, 77194), (403, 53442), (558, 38597), (806, 26721), (1209, 17814), (2418, 8907), (2969, 7254), (3627, 5938)]