21953316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 66705408

約数和(自身を除く): 44752092

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 23, 28, 33, 42, 44, 46, 66, 69, 77, 84, 92, 132, 138, 154, 161, 231, 253, 276, 308, 322, 462, 483, 506, 644, 759, 924, 966, 1012, 1033, 1518, 1771, 1932, 2066, 3036, 3099, 3542, 4132, 5313, 6198, 7084, 7231, 10626, 11363, 12396, 14462, 21252, 21693, 22726, 23759, 28924, 34089, 43386, 45452, 47518, 68178, 71277, 79541, 86772, 95036, 136356, 142554, 159082, 166313, 238623, 261349, 285108, 318164, 332626, 477246, 498939, 522698, 665252, 784047, 954492, 997878, 1045396, 1568094, 1829443, 1995756, 3136188, 3658886, 5488329, 7317772, 10976658, 21953316]

約数ペア:

[(1, 21953316), (2, 10976658), (3, 7317772), (4, 5488329), (6, 3658886), (7, 3136188), (11, 1995756), (12, 1829443), (14, 1568094), (21, 1045396), (22, 997878), (23, 954492), (28, 784047), (33, 665252), (42, 522698), (44, 498939), (46, 477246), (66, 332626), (69, 318164), (77, 285108), (84, 261349), (92, 238623), (132, 166313), (138, 159082), (154, 142554), (161, 136356), (231, 95036), (253, 86772), (276, 79541), (308, 71277), (322, 68178), (462, 47518), (483, 45452), (506, 43386), (644, 34089), (759, 28924), (924, 23759), (966, 22726), (1012, 21693), (1033, 21252), (1518, 14462), (1771, 12396), (1932, 11363), (2066, 10626), (3036, 7231), (3099, 7084), (3542, 6198), (4132, 5313)]