21810516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:20000

約数の個数: 48

約数和(自身を含む): 62638464

約数和(自身を除く): 40827948

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19973, 39946, 59919, 79892, 119838, 139811, 239676, 259649, 279622, 419433, 519298, 559244, 778947, 838866, 1038596, 1557894, 1677732, 1817543, 3115788, 3635086, 5452629, 7270172, 10905258, 21810516]

約数ペア:

[(1, 21810516), (2, 10905258), (3, 7270172), (4, 5452629), (6, 3635086), (7, 3115788), (12, 1817543), (13, 1677732), (14, 1557894), (21, 1038596), (26, 838866), (28, 778947), (39, 559244), (42, 519298), (52, 419433), (78, 279622), (84, 259649), (91, 239676), (156, 139811), (182, 119838), (273, 79892), (364, 59919), (546, 39946), (1092, 19973)]