21230132

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 48454560

約数和(自身を除く): 27224428

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 229, 301, 308, 458, 473, 539, 602, 916, 946, 1078, 1204, 1603, 1892, 2107, 2156, 2519, 3206, 3311, 4214, 5038, 6412, 6622, 8428, 9847, 10076, 11221, 13244, 17633, 19694, 22442, 23177, 35266, 39388, 44884, 46354, 68929, 70532, 92708, 108317, 123431, 137858, 216634, 246862, 275716, 433268, 482503, 493724, 758219, 965006, 1516438, 1930012, 3032876, 5307533, 10615066, 21230132]

約数ペア:

[(1, 21230132), (2, 10615066), (4, 5307533), (7, 3032876), (11, 1930012), (14, 1516438), (22, 965006), (28, 758219), (43, 493724), (44, 482503), (49, 433268), (77, 275716), (86, 246862), (98, 216634), (154, 137858), (172, 123431), (196, 108317), (229, 92708), (301, 70532), (308, 68929), (458, 46354), (473, 44884), (539, 39388), (602, 35266), (916, 23177), (946, 22442), (1078, 19694), (1204, 17633), (1603, 13244), (1892, 11221), (2107, 10076), (2156, 9847), (2519, 8428), (3206, 6622), (3311, 6412), (4214, 5038)]