21822388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:884

約数の個数: 36

約数和(自身を含む): 45153696

約数和(自身を除く): 23331308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 811, 868, 961, 1622, 1922, 3244, 3844, 5677, 6727, 11354, 13454, 22708, 25141, 26908, 50282, 100564, 175987, 351974, 703948, 779371, 1558742, 3117484, 5455597, 10911194, 21822388]

約数ペア:

[(1, 21822388), (2, 10911194), (4, 5455597), (7, 3117484), (14, 1558742), (28, 779371), (31, 703948), (62, 351974), (124, 175987), (217, 100564), (434, 50282), (811, 26908), (868, 25141), (961, 22708), (1622, 13454), (1922, 11354), (3244, 6727), (3844, 5677)]