21504048

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 62929008

約数和(自身を除く): 41424960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 34, 38, 48, 51, 57, 68, 73, 76, 102, 114, 136, 146, 152, 204, 219, 228, 272, 292, 304, 323, 361, 408, 438, 456, 584, 646, 722, 816, 876, 912, 969, 1083, 1168, 1241, 1292, 1387, 1444, 1752, 1938, 2166, 2482, 2584, 2774, 2888, 3504, 3723, 3876, 4161, 4332, 4964, 5168, 5548, 5776, 6137, 7446, 7752, 8322, 8664, 9928, 11096, 12274, 14892, 15504, 16644, 17328, 18411, 19856, 22192, 23579, 24548, 26353, 29784, 33288, 36822, 47158, 49096, 52706, 59568, 66576, 70737, 73644, 79059, 94316, 98192, 105412, 141474, 147288, 158118, 188632, 210824, 282948, 294576, 316236, 377264, 421648, 448001, 565896, 632472, 896002, 1131792, 1264944, 1344003, 1792004, 2688006, 3584008, 5376012, 7168016, 10752024, 21504048]

約数ペア:

[(1, 21504048), (2, 10752024), (3, 7168016), (4, 5376012), (6, 3584008), (8, 2688006), (12, 1792004), (16, 1344003), (17, 1264944), (19, 1131792), (24, 896002), (34, 632472), (38, 565896), (48, 448001), (51, 421648), (57, 377264), (68, 316236), (73, 294576), (76, 282948), (102, 210824), (114, 188632), (136, 158118), (146, 147288), (152, 141474), (204, 105412), (219, 98192), (228, 94316), (272, 79059), (292, 73644), (304, 70737), (323, 66576), (361, 59568), (408, 52706), (438, 49096), (456, 47158), (584, 36822), (646, 33288), (722, 29784), (816, 26353), (876, 24548), (912, 23579), (969, 22192), (1083, 19856), (1168, 18411), (1241, 17328), (1292, 16644), (1387, 15504), (1444, 14892), (1752, 12274), (1938, 11096), (2166, 9928), (2482, 8664), (2584, 8322), (2774, 7752), (2888, 7446), (3504, 6137), (3723, 5776), (3876, 5548), (4161, 5168), (4332, 4964)]