21141912

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 37644648

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1511, 1749, 2332, 3022, 3498, 4533, 4664, 6044, 6996, 9066, 12088, 13992, 16621, 18132, 33242, 36264, 49863, 66484, 80083, 99726, 132968, 160166, 199452, 240249, 320332, 398904, 480498, 640664, 880913, 960996, 1761826, 1921992, 2642739, 3523652, 5285478, 7047304, 10570956, 21141912]

約数ペア:

[(1, 21141912), (2, 10570956), (3, 7047304), (4, 5285478), (6, 3523652), (8, 2642739), (11, 1921992), (12, 1761826), (22, 960996), (24, 880913), (33, 640664), (44, 480498), (53, 398904), (66, 320332), (88, 240249), (106, 199452), (132, 160166), (159, 132968), (212, 99726), (264, 80083), (318, 66484), (424, 49863), (583, 36264), (636, 33242), (1166, 18132), (1272, 16621), (1511, 13992), (1749, 12088), (2332, 9066), (3022, 6996), (3498, 6044), (4533, 4664)]