21208096

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7283}}^1$

素因数の和:7313

約数の個数: 48

約数和(自身を含む): 51395904

約数和(自身を除く): 30187808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7283, 14566, 29132, 50981, 58264, 94679, 101962, 116528, 189358, 203924, 233056, 378716, 407848, 662753, 757432, 815696, 1325506, 1514864, 1631392, 2651012, 3029728, 5302024, 10604048, 21208096]

約数ペア:

[(1, 21208096), (2, 10604048), (4, 5302024), (7, 3029728), (8, 2651012), (13, 1631392), (14, 1514864), (16, 1325506), (26, 815696), (28, 757432), (32, 662753), (52, 407848), (56, 378716), (91, 233056), (104, 203924), (112, 189358), (182, 116528), (208, 101962), (224, 94679), (364, 58264), (416, 50981), (728, 29132), (1456, 14566), (2912, 7283)]