21186352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 48559392

約数和(自身を除く): 27373040

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 73, 88, 97, 136, 146, 176, 187, 194, 272, 292, 374, 388, 584, 748, 776, 803, 1067, 1168, 1241, 1496, 1552, 1606, 1649, 2134, 2482, 2992, 3212, 3298, 4268, 4964, 6424, 6596, 7081, 8536, 9928, 12848, 13192, 13651, 14162, 17072, 18139, 19856, 26384, 27302, 28324, 36278, 54604, 56648, 72556, 77891, 109208, 113296, 120377, 145112, 155782, 218416, 240754, 290224, 311564, 481508, 623128, 963016, 1246256, 1324147, 1926032, 2648294, 5296588, 10593176, 21186352]

約数ペア:

[(1, 21186352), (2, 10593176), (4, 5296588), (8, 2648294), (11, 1926032), (16, 1324147), (17, 1246256), (22, 963016), (34, 623128), (44, 481508), (68, 311564), (73, 290224), (88, 240754), (97, 218416), (136, 155782), (146, 145112), (176, 120377), (187, 113296), (194, 109208), (272, 77891), (292, 72556), (374, 56648), (388, 54604), (584, 36278), (748, 28324), (776, 27302), (803, 26384), (1067, 19856), (1168, 18139), (1241, 17072), (1496, 14162), (1552, 13651), (1606, 13192), (1649, 12848), (2134, 9928), (2482, 8536), (2992, 7081), (3212, 6596), (3298, 6424), (4268, 4964)]