21909056

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1591

約数の個数: 56

約数和(自身を含む): 49606200

約数和(自身を除く): 27697144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1549, 1768, 3098, 3536, 6196, 7072, 12392, 14144, 20137, 24784, 26333, 40274, 49568, 52666, 80548, 99136, 105332, 161096, 210664, 322192, 342329, 421328, 644384, 684658, 842656, 1288768, 1369316, 1685312, 2738632, 5477264, 10954528, 21909056]

約数ペア:

[(1, 21909056), (2, 10954528), (4, 5477264), (8, 2738632), (13, 1685312), (16, 1369316), (17, 1288768), (26, 842656), (32, 684658), (34, 644384), (52, 421328), (64, 342329), (68, 322192), (104, 210664), (136, 161096), (208, 105332), (221, 99136), (272, 80548), (416, 52666), (442, 49568), (544, 40274), (832, 26333), (884, 24784), (1088, 20137), (1549, 14144), (1768, 12392), (3098, 7072), (3536, 6196)]