21605504

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9929}}^1$

素因数の和:9960

約数の個数: 32

約数和(自身を含む): 45578700

約数和(自身を除く): 23973196

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9929, 19858, 39716, 79432, 158864, 168793, 317728, 337586, 635456, 675172, 1270912, 1350344, 2700688, 5401376, 10802752, 21605504]

約数ペア:

[(1, 21605504), (2, 10802752), (4, 5401376), (8, 2700688), (16, 1350344), (17, 1270912), (32, 675172), (34, 635456), (64, 337586), (68, 317728), (128, 168793), (136, 158864), (272, 79432), (544, 39716), (1088, 19858), (2176, 9929)]