21328896

素因数分解:

$2^{10}\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 88

約数和(自身を含む): 58364064

約数和(自身を除く): 37035168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 131, 159, 192, 212, 256, 262, 318, 384, 393, 424, 512, 524, 636, 768, 786, 848, 1024, 1048, 1272, 1536, 1572, 1696, 2096, 2544, 3072, 3144, 3392, 4192, 5088, 6288, 6784, 6943, 8384, 10176, 12576, 13568, 13886, 16768, 20352, 20829, 25152, 27136, 27772, 33536, 40704, 41658, 50304, 54272, 55544, 67072, 81408, 83316, 100608, 111088, 134144, 162816, 166632, 201216, 222176, 333264, 402432, 444352, 666528, 888704, 1333056, 1777408, 2666112, 3554816, 5332224, 7109632, 10664448, 21328896]

約数ペア:

[(1, 21328896), (2, 10664448), (3, 7109632), (4, 5332224), (6, 3554816), (8, 2666112), (12, 1777408), (16, 1333056), (24, 888704), (32, 666528), (48, 444352), (53, 402432), (64, 333264), (96, 222176), (106, 201216), (128, 166632), (131, 162816), (159, 134144), (192, 111088), (212, 100608), (256, 83316), (262, 81408), (318, 67072), (384, 55544), (393, 54272), (424, 50304), (512, 41658), (524, 40704), (636, 33536), (768, 27772), (786, 27136), (848, 25152), (1024, 20829), (1048, 20352), (1272, 16768), (1536, 13886), (1572, 13568), (1696, 12576), (2096, 10176), (2544, 8384), (3072, 6943), (3144, 6784), (3392, 6288), (4192, 5088)]