21073572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 58965816

約数和(自身を除く): 37892244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1217, 1332, 1443, 1924, 2434, 2886, 3651, 4329, 4868, 5772, 7302, 8658, 10953, 14604, 15821, 17316, 21906, 31642, 43812, 45029, 47463, 63284, 90058, 94926, 135087, 142389, 180116, 189852, 270174, 284778, 405261, 540348, 569556, 585377, 810522, 1170754, 1621044, 1756131, 2341508, 3512262, 5268393, 7024524, 10536786, 21073572]

約数ペア:

[(1, 21073572), (2, 10536786), (3, 7024524), (4, 5268393), (6, 3512262), (9, 2341508), (12, 1756131), (13, 1621044), (18, 1170754), (26, 810522), (36, 585377), (37, 569556), (39, 540348), (52, 405261), (74, 284778), (78, 270174), (111, 189852), (117, 180116), (148, 142389), (156, 135087), (222, 94926), (234, 90058), (333, 63284), (444, 47463), (468, 45029), (481, 43812), (666, 31642), (962, 21906), (1217, 17316), (1332, 15821), (1443, 14604), (1924, 10953), (2434, 8658), (2886, 7302), (3651, 5772), (4329, 4868)]