21993150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 54960768

約数和(自身を除く): 32967618

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 151, 302, 453, 755, 906, 971, 1510, 1942, 2265, 2913, 3775, 4530, 4855, 5826, 7550, 9710, 11325, 14565, 22650, 24275, 29130, 48550, 72825, 145650, 146621, 293242, 439863, 733105, 879726, 1466210, 2199315, 3665525, 4398630, 7331050, 10996575, 21993150]

約数ペア:

[(1, 21993150), (2, 10996575), (3, 7331050), (5, 4398630), (6, 3665525), (10, 2199315), (15, 1466210), (25, 879726), (30, 733105), (50, 439863), (75, 293242), (150, 146621), (151, 145650), (302, 72825), (453, 48550), (755, 29130), (906, 24275), (971, 22650), (1510, 14565), (1942, 11325), (2265, 9710), (2913, 7550), (3775, 5826), (4530, 4855)]