21691806

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8273}}^1$

素因数の和:8320

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 25966434

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8273, 16546, 24819, 49638, 157187, 190279, 314374, 380558, 471561, 570837, 943122, 1141674, 3615301, 7230602, 10845903, 21691806]

約数ペア:

[(1, 21691806), (2, 10845903), (3, 7230602), (6, 3615301), (19, 1141674), (23, 943122), (38, 570837), (46, 471561), (57, 380558), (69, 314374), (114, 190279), (138, 157187), (437, 49638), (874, 24819), (1311, 16546), (2622, 8273)]