21003264

素因数分解:

$2^{10}\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 132

約数和(自身を含む): 63227736

約数和(自身を除く): 42224472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 53, 64, 72, 86, 96, 106, 128, 129, 144, 159, 172, 192, 212, 256, 258, 288, 318, 344, 384, 387, 424, 477, 512, 516, 576, 636, 688, 768, 774, 848, 954, 1024, 1032, 1152, 1272, 1376, 1536, 1548, 1696, 1908, 2064, 2279, 2304, 2544, 2752, 3072, 3096, 3392, 3816, 4128, 4558, 4608, 5088, 5504, 6192, 6784, 6837, 7632, 8256, 9116, 9216, 10176, 11008, 12384, 13568, 13674, 15264, 16512, 18232, 20352, 20511, 22016, 24768, 27136, 27348, 30528, 33024, 36464, 40704, 41022, 44032, 49536, 54272, 54696, 61056, 66048, 72928, 81408, 82044, 99072, 109392, 122112, 132096, 145856, 162816, 164088, 198144, 218784, 244224, 291712, 328176, 396288, 437568, 488448, 583424, 656352, 875136, 1166848, 1312704, 1750272, 2333696, 2625408, 3500544, 5250816, 7001088, 10501632, 21003264]

約数ペア:

[(1, 21003264), (2, 10501632), (3, 7001088), (4, 5250816), (6, 3500544), (8, 2625408), (9, 2333696), (12, 1750272), (16, 1312704), (18, 1166848), (24, 875136), (32, 656352), (36, 583424), (43, 488448), (48, 437568), (53, 396288), (64, 328176), (72, 291712), (86, 244224), (96, 218784), (106, 198144), (128, 164088), (129, 162816), (144, 145856), (159, 132096), (172, 122112), (192, 109392), (212, 99072), (256, 82044), (258, 81408), (288, 72928), (318, 66048), (344, 61056), (384, 54696), (387, 54272), (424, 49536), (477, 44032), (512, 41022), (516, 40704), (576, 36464), (636, 33024), (688, 30528), (768, 27348), (774, 27136), (848, 24768), (954, 22016), (1024, 20511), (1032, 20352), (1152, 18232), (1272, 16512), (1376, 15264), (1536, 13674), (1548, 13568), (1696, 12384), (1908, 11008), (2064, 10176), (2279, 9216), (2304, 9116), (2544, 8256), (2752, 7632), (3072, 6837), (3096, 6784), (3392, 6192), (3816, 5504), (4128, 5088), (4558, 4608)]