21228504

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 58337280

約数和(自身を除く): 37108776

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 191, 264, 382, 421, 573, 764, 842, 1146, 1263, 1528, 1684, 2101, 2292, 2526, 3368, 4202, 4584, 4631, 5052, 6303, 8404, 9262, 10104, 12606, 13893, 16808, 18524, 25212, 27786, 37048, 50424, 55572, 80411, 111144, 160822, 241233, 321644, 482466, 643288, 884521, 964932, 1769042, 1929864, 2653563, 3538084, 5307126, 7076168, 10614252, 21228504]

約数ペア:

[(1, 21228504), (2, 10614252), (3, 7076168), (4, 5307126), (6, 3538084), (8, 2653563), (11, 1929864), (12, 1769042), (22, 964932), (24, 884521), (33, 643288), (44, 482466), (66, 321644), (88, 241233), (132, 160822), (191, 111144), (264, 80411), (382, 55572), (421, 50424), (573, 37048), (764, 27786), (842, 25212), (1146, 18524), (1263, 16808), (1528, 13893), (1684, 12606), (2101, 10104), (2292, 9262), (2526, 8404), (3368, 6303), (4202, 5052), (4584, 4631)]