21232110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 52968960

約数和(自身を除く): 31736850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 109, 129, 151, 215, 218, 258, 302, 327, 430, 453, 545, 645, 654, 755, 906, 1090, 1290, 1510, 1635, 2265, 3270, 4530, 4687, 6493, 9374, 12986, 14061, 16459, 19479, 23435, 28122, 32465, 32918, 38958, 46870, 49377, 64930, 70305, 82295, 97395, 98754, 140610, 164590, 194790, 246885, 493770, 707737, 1415474, 2123211, 3538685, 4246422, 7077370, 10616055, 21232110]

約数ペア:

[(1, 21232110), (2, 10616055), (3, 7077370), (5, 4246422), (6, 3538685), (10, 2123211), (15, 1415474), (30, 707737), (43, 493770), (86, 246885), (109, 194790), (129, 164590), (151, 140610), (215, 98754), (218, 97395), (258, 82295), (302, 70305), (327, 64930), (430, 49377), (453, 46870), (545, 38958), (645, 32918), (654, 32465), (755, 28122), (906, 23435), (1090, 19479), (1290, 16459), (1510, 14061), (1635, 12986), (2265, 9374), (3270, 6493), (4530, 4687)]