21011616

素因数分解:

$2^5\times 3^3\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 62233920

約数和(自身を除く): 41222304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 83, 96, 108, 144, 166, 216, 249, 288, 293, 332, 432, 498, 586, 664, 747, 864, 879, 996, 1172, 1328, 1494, 1758, 1992, 2241, 2344, 2637, 2656, 2988, 3516, 3984, 4482, 4688, 5274, 5976, 7032, 7911, 7968, 8964, 9376, 10548, 11952, 14064, 15822, 17928, 21096, 23904, 24319, 28128, 31644, 35856, 42192, 48638, 63288, 71712, 72957, 84384, 97276, 126576, 145914, 194552, 218871, 253152, 291828, 389104, 437742, 583656, 656613, 778208, 875484, 1167312, 1313226, 1750968, 2334624, 2626452, 3501936, 5252904, 7003872, 10505808, 21011616]

約数ペア:

[(1, 21011616), (2, 10505808), (3, 7003872), (4, 5252904), (6, 3501936), (8, 2626452), (9, 2334624), (12, 1750968), (16, 1313226), (18, 1167312), (24, 875484), (27, 778208), (32, 656613), (36, 583656), (48, 437742), (54, 389104), (72, 291828), (83, 253152), (96, 218871), (108, 194552), (144, 145914), (166, 126576), (216, 97276), (249, 84384), (288, 72957), (293, 71712), (332, 63288), (432, 48638), (498, 42192), (586, 35856), (664, 31644), (747, 28128), (864, 24319), (879, 23904), (996, 21096), (1172, 17928), (1328, 15822), (1494, 14064), (1758, 11952), (1992, 10548), (2241, 9376), (2344, 8964), (2637, 7968), (2656, 7911), (2988, 7032), (3516, 5976), (3984, 5274), (4482, 4688)]