21727827

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 36088416

約数和(自身を除く): 14360589

約数列:

[1, 3, 9, 11, 33, 41, 53, 99, 101, 123, 159, 303, 369, 451, 477, 583, 909, 1111, 1353, 1749, 2173, 3333, 4059, 4141, 5247, 5353, 6519, 9999, 12423, 16059, 19557, 23903, 37269, 45551, 48177, 58883, 71709, 136653, 176649, 215127, 219473, 409959, 529947, 658419, 1975257, 2414203, 7242609, 21727827]

約数ペア:

[(1, 21727827), (3, 7242609), (9, 2414203), (11, 1975257), (33, 658419), (41, 529947), (53, 409959), (99, 219473), (101, 215127), (123, 176649), (159, 136653), (303, 71709), (369, 58883), (451, 48177), (477, 45551), (583, 37269), (909, 23903), (1111, 19557), (1353, 16059), (1749, 12423), (2173, 9999), (3333, 6519), (4059, 5353), (4141, 5247)]