21324512

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2139

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 26076688

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 2089, 2552, 4178, 5104, 8356, 10208, 16712, 22979, 33424, 45958, 60581, 66848, 91916, 121162, 183832, 242324, 367664, 484648, 666391, 735328, 969296, 1332782, 1938592, 2665564, 5331128, 10662256, 21324512]

約数ペア:

[(1, 21324512), (2, 10662256), (4, 5331128), (8, 2665564), (11, 1938592), (16, 1332782), (22, 969296), (29, 735328), (32, 666391), (44, 484648), (58, 367664), (88, 242324), (116, 183832), (176, 121162), (232, 91916), (319, 66848), (352, 60581), (464, 45958), (638, 33424), (928, 22979), (1276, 16712), (2089, 10208), (2552, 8356), (4178, 5104)]