21675472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14887}}^1$

素因数の和:14915

約数の個数: 40

約数和(自身を含む): 51691136

約数和(自身を除く): 30015664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 14887, 29774, 59548, 104209, 119096, 193531, 208418, 238192, 387062, 416836, 774124, 833672, 1354717, 1548248, 1667344, 2709434, 3096496, 5418868, 10837736, 21675472]

約数ペア:

[(1, 21675472), (2, 10837736), (4, 5418868), (7, 3096496), (8, 2709434), (13, 1667344), (14, 1548248), (16, 1354717), (26, 833672), (28, 774124), (52, 416836), (56, 387062), (91, 238192), (104, 208418), (112, 193531), (182, 119096), (208, 104209), (364, 59548), (728, 29774), (1456, 14887)]