21393050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3217}}^1$

素因数の和:3255

約数の個数: 48

約数和(自身を含む): 47883840

約数和(自身を除く): 26490790

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, 3217, 3325, 6434, 6650, 16085, 22519, 32170, 45038, 61123, 80425, 112595, 122246, 160850, 225190, 305615, 427861, 562975, 611230, 855722, 1125950, 1528075, 2139305, 3056150, 4278610, 10696525, 21393050]

約数ペア:

[(1, 21393050), (2, 10696525), (5, 4278610), (7, 3056150), (10, 2139305), (14, 1528075), (19, 1125950), (25, 855722), (35, 611230), (38, 562975), (50, 427861), (70, 305615), (95, 225190), (133, 160850), (175, 122246), (190, 112595), (266, 80425), (350, 61123), (475, 45038), (665, 32170), (950, 22519), (1330, 16085), (3217, 6650), (3325, 6434)]