21301952

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2833

約数の個数: 56

約数和(自身を含む): 51169824

約数和(自身を除く): 29867872

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2797, 3808, 5594, 7616, 11188, 19579, 22376, 39158, 44752, 47549, 78316, 89504, 95098, 156632, 179008, 190196, 313264, 332843, 380392, 626528, 665686, 760784, 1253056, 1331372, 1521568, 2662744, 3043136, 5325488, 10650976, 21301952]

約数ペア:

[(1, 21301952), (2, 10650976), (4, 5325488), (7, 3043136), (8, 2662744), (14, 1521568), (16, 1331372), (17, 1253056), (28, 760784), (32, 665686), (34, 626528), (56, 380392), (64, 332843), (68, 313264), (112, 190196), (119, 179008), (136, 156632), (224, 95098), (238, 89504), (272, 78316), (448, 47549), (476, 44752), (544, 39158), (952, 22376), (1088, 19579), (1904, 11188), (2797, 7616), (3808, 5594)]