21459776

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25793}}^1$

素因数の和:25818

約数の個数: 28

約数和(自身を含む): 45861732

約数和(自身を除く): 24401956

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25793, 51586, 103172, 206344, 335309, 412688, 670618, 825376, 1341236, 1650752, 2682472, 5364944, 10729888, 21459776]

約数ペア:

[(1, 21459776), (2, 10729888), (4, 5364944), (8, 2682472), (13, 1650752), (16, 1341236), (26, 825376), (32, 670618), (52, 412688), (64, 335309), (104, 206344), (208, 103172), (416, 51586), (832, 25793)]