21562528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3049}}^1$

素因数の和:3089

約数の個数: 48

約数和(自身を含む): 48421800

約数和(自身を除く): 26859272

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3049, 3536, 6098, 7072, 12196, 24392, 39637, 48784, 51833, 79274, 97568, 103666, 158548, 207332, 317096, 414664, 634192, 673829, 829328, 1268384, 1347658, 1658656, 2695316, 5390632, 10781264, 21562528]

約数ペア:

[(1, 21562528), (2, 10781264), (4, 5390632), (8, 2695316), (13, 1658656), (16, 1347658), (17, 1268384), (26, 829328), (32, 673829), (34, 634192), (52, 414664), (68, 317096), (104, 207332), (136, 158548), (208, 103666), (221, 97568), (272, 79274), (416, 51833), (442, 48784), (544, 39637), (884, 24392), (1768, 12196), (3049, 7072), (3536, 6098)]