21485824

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4937}}^1$

素因数の和:4970

約数の個数: 36

約数和(自身を含む): 45419724

約数和(自身を除く): 23933900

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4937, 9874, 19748, 39496, 78992, 83929, 157984, 167858, 315968, 335716, 631936, 671432, 1263872, 1342864, 2685728, 5371456, 10742912, 21485824]

約数ペア:

[(1, 21485824), (2, 10742912), (4, 5371456), (8, 2685728), (16, 1342864), (17, 1263872), (32, 671432), (34, 631936), (64, 335716), (68, 315968), (128, 167858), (136, 157984), (256, 83929), (272, 78992), (544, 39496), (1088, 19748), (2176, 9874), (4352, 4937)]