21429248

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1268

約数の個数: 44

約数和(自身を含む): 45394272

約数和(自身を除く): 23965024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 1231, 2176, 2462, 4352, 4924, 8704, 9848, 17408, 19696, 20927, 39392, 41854, 78784, 83708, 157568, 167416, 315136, 334832, 630272, 669664, 1260544, 1339328, 2678656, 5357312, 10714624, 21429248]

約数ペア:

[(1, 21429248), (2, 10714624), (4, 5357312), (8, 2678656), (16, 1339328), (17, 1260544), (32, 669664), (34, 630272), (64, 334832), (68, 315136), (128, 167416), (136, 157568), (256, 83708), (272, 78784), (512, 41854), (544, 39392), (1024, 20927), (1088, 19696), (1231, 17408), (2176, 9848), (2462, 8704), (4352, 4924)]