21242550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20231}}^1$

素因数の和:20253

約数の個数: 48

約数和(自身を含む): 60210432

約数和(自身を除く): 38967882

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20231, 40462, 60693, 101155, 121386, 141617, 202310, 283234, 303465, 424851, 505775, 606930, 708085, 849702, 1011550, 1416170, 1517325, 2124255, 3034650, 3540425, 4248510, 7080850, 10621275, 21242550]

約数ペア:

[(1, 21242550), (2, 10621275), (3, 7080850), (5, 4248510), (6, 3540425), (7, 3034650), (10, 2124255), (14, 1517325), (15, 1416170), (21, 1011550), (25, 849702), (30, 708085), (35, 606930), (42, 505775), (50, 424851), (70, 303465), (75, 283234), (105, 202310), (150, 141617), (175, 121386), (210, 101155), (350, 60693), (525, 40462), (1050, 20231)]