21341340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39521}}^1$

素因数の和:39539

約数の個数: 48

約数和(自身を含む): 66396960

約数和(自身を除く): 45055620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39521, 79042, 118563, 158084, 197605, 237126, 355689, 395210, 474252, 592815, 711378, 790420, 1067067, 1185630, 1422756, 1778445, 2134134, 2371260, 3556890, 4268268, 5335335, 7113780, 10670670, 21341340]

約数ペア:

[(1, 21341340), (2, 10670670), (3, 7113780), (4, 5335335), (5, 4268268), (6, 3556890), (9, 2371260), (10, 2134134), (12, 1778445), (15, 1422756), (18, 1185630), (20, 1067067), (27, 790420), (30, 711378), (36, 592815), (45, 474252), (54, 395210), (60, 355689), (90, 237126), (108, 197605), (135, 158084), (180, 118563), (270, 79042), (540, 39521)]