21967616

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 49669200

約数和(自身を除く): 27701584

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 256, 269, 319, 352, 464, 538, 638, 704, 928, 1076, 1276, 1408, 1856, 2152, 2552, 2816, 2959, 3712, 4304, 5104, 5918, 7424, 7801, 8608, 10208, 11836, 15602, 17216, 20416, 23672, 31204, 34432, 40832, 47344, 62408, 68864, 81664, 85811, 94688, 124816, 171622, 189376, 249632, 343244, 378752, 499264, 686488, 757504, 998528, 1372976, 1997056, 2745952, 5491904, 10983808, 21967616]

約数ペア:

[(1, 21967616), (2, 10983808), (4, 5491904), (8, 2745952), (11, 1997056), (16, 1372976), (22, 998528), (29, 757504), (32, 686488), (44, 499264), (58, 378752), (64, 343244), (88, 249632), (116, 189376), (128, 171622), (176, 124816), (232, 94688), (256, 85811), (269, 81664), (319, 68864), (352, 62408), (464, 47344), (538, 40832), (638, 34432), (704, 31204), (928, 23672), (1076, 20416), (1276, 17216), (1408, 15602), (1856, 11836), (2152, 10208), (2552, 8608), (2816, 7801), (2959, 7424), (3712, 5918), (4304, 5104)]