21305748

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{17579}}^1$

素因数の和:17687

約数の個数: 24

約数和(自身を含む): 50208480

約数和(自身を除く): 28902732

約数列:

[1, 2, 3, 4, 6, 12, 101, 202, 303, 404, 606, 1212, 17579, 35158, 52737, 70316, 105474, 210948, 1775479, 3550958, 5326437, 7101916, 10652874, 21305748]

約数ペア:

[(1, 21305748), (2, 10652874), (3, 7101916), (4, 5326437), (6, 3550958), (12, 1775479), (101, 210948), (202, 105474), (303, 70316), (404, 52737), (606, 35158), (1212, 17579)]