21516288

素因数分解:

$2^{12}\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 104

約数和(自身を含む): 61334208

約数和(自身を除く): 39817920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 103, 128, 136, 192, 204, 206, 256, 272, 309, 384, 408, 412, 512, 544, 618, 768, 816, 824, 1024, 1088, 1236, 1536, 1632, 1648, 1751, 2048, 2176, 2472, 3072, 3264, 3296, 3502, 4096, 4352, 4944, 5253, 6144, 6528, 6592, 7004, 8704, 9888, 10506, 12288, 13056, 13184, 14008, 17408, 19776, 21012, 26112, 26368, 28016, 34816, 39552, 42024, 52224, 52736, 56032, 69632, 79104, 84048, 104448, 105472, 112064, 158208, 168096, 208896, 210944, 224128, 316416, 336192, 421888, 448256, 632832, 672384, 896512, 1265664, 1344768, 1793024, 2689536, 3586048, 5379072, 7172096, 10758144, 21516288]

約数ペア:

[(1, 21516288), (2, 10758144), (3, 7172096), (4, 5379072), (6, 3586048), (8, 2689536), (12, 1793024), (16, 1344768), (17, 1265664), (24, 896512), (32, 672384), (34, 632832), (48, 448256), (51, 421888), (64, 336192), (68, 316416), (96, 224128), (102, 210944), (103, 208896), (128, 168096), (136, 158208), (192, 112064), (204, 105472), (206, 104448), (256, 84048), (272, 79104), (309, 69632), (384, 56032), (408, 52736), (412, 52224), (512, 42024), (544, 39552), (618, 34816), (768, 28016), (816, 26368), (824, 26112), (1024, 21012), (1088, 19776), (1236, 17408), (1536, 14008), (1632, 13184), (1648, 13056), (1751, 12288), (2048, 10506), (2176, 9888), (2472, 8704), (3072, 7004), (3264, 6592), (3296, 6528), (3502, 6144), (4096, 5253), (4352, 4944)]