21445695

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2371}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 38711040

約数和(自身を除く): 17265345

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 2371, 3015, 7113, 9045, 11855, 21339, 35565, 64017, 106695, 158857, 320085, 476571, 794285, 1429713, 2382855, 4289139, 7148565, 21445695]

約数ペア:

[(1, 21445695), (3, 7148565), (5, 4289139), (9, 2382855), (15, 1429713), (27, 794285), (45, 476571), (67, 320085), (135, 158857), (201, 106695), (335, 64017), (603, 35565), (1005, 21339), (1809, 11855), (2371, 9045), (3015, 7113)]