21814240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19477}}^1$

素因数の和:19499

約数の個数: 48

約数和(自身を含む): 58901472

約数和(自身を除く): 37087232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19477, 38954, 77908, 97385, 136339, 155816, 194770, 272678, 311632, 389540, 545356, 623264, 681695, 779080, 1090712, 1363390, 1558160, 2181424, 2726780, 3116320, 4362848, 5453560, 10907120, 21814240]

約数ペア:

[(1, 21814240), (2, 10907120), (4, 5453560), (5, 4362848), (7, 3116320), (8, 2726780), (10, 2181424), (14, 1558160), (16, 1363390), (20, 1090712), (28, 779080), (32, 681695), (35, 623264), (40, 545356), (56, 389540), (70, 311632), (80, 272678), (112, 194770), (140, 155816), (160, 136339), (224, 97385), (280, 77908), (560, 38954), (1120, 19477)]