21584568

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 34402632

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 71, 106, 142, 159, 212, 213, 239, 284, 318, 424, 426, 478, 568, 636, 717, 852, 956, 1272, 1434, 1704, 1912, 2868, 3763, 5736, 7526, 11289, 12667, 15052, 16969, 22578, 25334, 30104, 33938, 38001, 45156, 50668, 50907, 67876, 76002, 90312, 101336, 101814, 135752, 152004, 203628, 304008, 407256, 899357, 1798714, 2698071, 3597428, 5396142, 7194856, 10792284, 21584568]

約数ペア:

[(1, 21584568), (2, 10792284), (3, 7194856), (4, 5396142), (6, 3597428), (8, 2698071), (12, 1798714), (24, 899357), (53, 407256), (71, 304008), (106, 203628), (142, 152004), (159, 135752), (212, 101814), (213, 101336), (239, 90312), (284, 76002), (318, 67876), (424, 50907), (426, 50668), (478, 45156), (568, 38001), (636, 33938), (717, 30104), (852, 25334), (956, 22578), (1272, 16969), (1434, 15052), (1704, 12667), (1912, 11289), (2868, 7526), (3763, 5736)]