21021350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3533}}^1$

素因数の和:3569

約数の個数: 48

約数和(自身を含む): 47327328

約数和(自身を除く): 26305978

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 350, 425, 595, 850, 1190, 2975, 3533, 5950, 7066, 17665, 24731, 35330, 49462, 60061, 88325, 120122, 123655, 176650, 247310, 300305, 420427, 600610, 618275, 840854, 1236550, 1501525, 2102135, 3003050, 4204270, 10510675, 21021350]

約数ペア:

[(1, 21021350), (2, 10510675), (5, 4204270), (7, 3003050), (10, 2102135), (14, 1501525), (17, 1236550), (25, 840854), (34, 618275), (35, 600610), (50, 420427), (70, 300305), (85, 247310), (119, 176650), (170, 123655), (175, 120122), (238, 88325), (350, 60061), (425, 49462), (595, 35330), (850, 24731), (1190, 17665), (2975, 7066), (3533, 5950)]