21384896

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25703}}^1$

素因数の和:25728

約数の個数: 28

約数和(自身を含む): 45701712

約数和(自身を除く): 24316816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25703, 51406, 102812, 205624, 334139, 411248, 668278, 822496, 1336556, 1644992, 2673112, 5346224, 10692448, 21384896]

約数ペア:

[(1, 21384896), (2, 10692448), (4, 5346224), (8, 2673112), (13, 1644992), (16, 1336556), (26, 822496), (32, 668278), (52, 411248), (64, 334139), (104, 205624), (208, 102812), (416, 51406), (832, 25703)]