21562260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4640

約数の個数: 48

約数和(自身を含む): 61152000

約数和(自身を除く): 39589740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4549, 4740, 9098, 13647, 18196, 22745, 27294, 45490, 54588, 68235, 90980, 136470, 272940, 359371, 718742, 1078113, 1437484, 1796855, 2156226, 3593710, 4312452, 5390565, 7187420, 10781130, 21562260]

約数ペア:

[(1, 21562260), (2, 10781130), (3, 7187420), (4, 5390565), (5, 4312452), (6, 3593710), (10, 2156226), (12, 1796855), (15, 1437484), (20, 1078113), (30, 718742), (60, 359371), (79, 272940), (158, 136470), (237, 90980), (316, 68235), (395, 54588), (474, 45490), (790, 27294), (948, 22745), (1185, 18196), (1580, 13647), (2370, 9098), (4549, 4740)]