21000304832

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25240751}}^1$

素因数の和:25240776

約数の個数: 28

約数和(自身を含む): 44878057056

約数和(自身を除く): 23877752224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25240751, 50481502, 100963004, 201926008, 328129763, 403852016, 656259526, 807704032, 1312519052, 1615408064, 2625038104, 5250076208, 10500152416, 21000304832]

約数ペア:

[(1, 21000304832), (2, 10500152416), (4, 5250076208), (8, 2625038104), (13, 1615408064), (16, 1312519052), (26, 807704032), (32, 656259526), (52, 403852016), (64, 328129763), (104, 201926008), (208, 100963004), (416, 50481502), (832, 25240751)]