21991550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3345

約数の個数: 48

約数和(自身を含む): 49223040

約数和(自身を除く): 27231490

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 175, 190, 266, 350, 475, 665, 950, 1330, 3307, 3325, 6614, 6650, 16535, 23149, 33070, 46298, 62833, 82675, 115745, 125666, 165350, 231490, 314165, 439831, 578725, 628330, 879662, 1157450, 1570825, 2199155, 3141650, 4398310, 10995775, 21991550]

約数ペア:

[(1, 21991550), (2, 10995775), (5, 4398310), (7, 3141650), (10, 2199155), (14, 1570825), (19, 1157450), (25, 879662), (35, 628330), (38, 578725), (50, 439831), (70, 314165), (95, 231490), (133, 165350), (175, 125666), (190, 115745), (266, 82675), (350, 62833), (475, 46298), (665, 33070), (950, 23149), (1330, 16535), (3307, 6650), (3325, 6614)]