21002176

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25243}}^1$

素因数の和:25268

約数の個数: 28

約数和(自身を含む): 44883832

約数和(自身を除く): 23881656

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25243, 50486, 100972, 201944, 328159, 403888, 656318, 807776, 1312636, 1615552, 2625272, 5250544, 10501088, 21002176]

約数ペア:

[(1, 21002176), (2, 10501088), (4, 5250544), (8, 2625272), (13, 1615552), (16, 1312636), (26, 807776), (32, 656318), (52, 403888), (64, 328159), (104, 201944), (208, 100972), (416, 50486), (832, 25243)]