21502144

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19763}}^1$

素因数の和:19792

約数の個数: 28

約数和(自身を含む): 45180504

約数和(自身を除く): 23678360

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19763, 39526, 79052, 158104, 316208, 335971, 632416, 671942, 1264832, 1343884, 2687768, 5375536, 10751072, 21502144]

約数ペア:

[(1, 21502144), (2, 10751072), (4, 5375536), (8, 2687768), (16, 1343884), (17, 1264832), (32, 671942), (34, 632416), (64, 335971), (68, 316208), (136, 158104), (272, 79052), (544, 39526), (1088, 19763)]