21704512

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19949}}^1$

素因数の和:19978

約数の個数: 28

約数和(自身を含む): 45605700

約数和(自身を除く): 23901188

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19949, 39898, 79796, 159592, 319184, 339133, 638368, 678266, 1276736, 1356532, 2713064, 5426128, 10852256, 21704512]

約数ペア:

[(1, 21704512), (2, 10852256), (4, 5426128), (8, 2713064), (16, 1356532), (17, 1276736), (32, 678266), (34, 638368), (64, 339133), (68, 319184), (136, 159592), (272, 79796), (544, 39898), (1088, 19949)]