21680032

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3623}}^1$

素因数の和:3661

約数の個数: 48

約数和(自身を含む): 49315392

約数和(自身を除く): 27635360

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3623, 5984, 7246, 14492, 28984, 39853, 57968, 61591, 79706, 115936, 123182, 159412, 246364, 318824, 492728, 637648, 677501, 985456, 1275296, 1355002, 1970912, 2710004, 5420008, 10840016, 21680032]

約数ペア:

[(1, 21680032), (2, 10840016), (4, 5420008), (8, 2710004), (11, 1970912), (16, 1355002), (17, 1275296), (22, 985456), (32, 677501), (34, 637648), (44, 492728), (68, 318824), (88, 246364), (136, 159412), (176, 123182), (187, 115936), (272, 79706), (352, 61591), (374, 57968), (544, 39853), (748, 28984), (1496, 14492), (2992, 7246), (3623, 5984)]