21143150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{313}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 45321504

約数和(自身を除く): 24178354

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 313, 350, 386, 626, 965, 1351, 1565, 1930, 2191, 2702, 3130, 4382, 4825, 6755, 7825, 9650, 10955, 13510, 15650, 21910, 33775, 54775, 60409, 67550, 109550, 120818, 302045, 422863, 604090, 845726, 1510225, 2114315, 3020450, 4228630, 10571575, 21143150]

約数ペア:

[(1, 21143150), (2, 10571575), (5, 4228630), (7, 3020450), (10, 2114315), (14, 1510225), (25, 845726), (35, 604090), (50, 422863), (70, 302045), (175, 120818), (193, 109550), (313, 67550), (350, 60409), (386, 54775), (626, 33775), (965, 21910), (1351, 15650), (1565, 13510), (1930, 10955), (2191, 9650), (2702, 7825), (3130, 6755), (4382, 4825)]