21922860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21493}}^1$

素因数の和:21522

約数の個数: 48

約数和(自身を含む): 64997856

約数和(自身を除く): 43074996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 21493, 42986, 64479, 85972, 107465, 128958, 214930, 257916, 322395, 365381, 429860, 644790, 730762, 1096143, 1289580, 1461524, 1826905, 2192286, 3653810, 4384572, 5480715, 7307620, 10961430, 21922860]

約数ペア:

[(1, 21922860), (2, 10961430), (3, 7307620), (4, 5480715), (5, 4384572), (6, 3653810), (10, 2192286), (12, 1826905), (15, 1461524), (17, 1289580), (20, 1096143), (30, 730762), (34, 644790), (51, 429860), (60, 365381), (68, 322395), (85, 257916), (102, 214930), (170, 128958), (204, 107465), (255, 85972), (340, 64479), (510, 42986), (1020, 21493)]