21743392

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 47077632

約数和(自身を除く): 25334240

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 223, 277, 352, 446, 554, 892, 1108, 1784, 2216, 2453, 3047, 3568, 4432, 4906, 6094, 7136, 8864, 9812, 12188, 19624, 24376, 39248, 48752, 61771, 78496, 97504, 123542, 247084, 494168, 679481, 988336, 1358962, 1976672, 2717924, 5435848, 10871696, 21743392]

約数ペア:

[(1, 21743392), (2, 10871696), (4, 5435848), (8, 2717924), (11, 1976672), (16, 1358962), (22, 988336), (32, 679481), (44, 494168), (88, 247084), (176, 123542), (223, 97504), (277, 78496), (352, 61771), (446, 48752), (554, 39248), (892, 24376), (1108, 19624), (1784, 12188), (2216, 9812), (2453, 8864), (3047, 7136), (3568, 6094), (4432, 4906)]