21054848

素因数分解:

$2^7\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 42378960

約数和(自身を除く): 21324112

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 412, 824, 1597, 1648, 3194, 3296, 6388, 6592, 12776, 13184, 25552, 51104, 102208, 164491, 204416, 328982, 657964, 1315928, 2631856, 5263712, 10527424, 21054848]

約数ペア:

[(1, 21054848), (2, 10527424), (4, 5263712), (8, 2631856), (16, 1315928), (32, 657964), (64, 328982), (103, 204416), (128, 164491), (206, 102208), (412, 51104), (824, 25552), (1597, 13184), (1648, 12776), (3194, 6592), (3296, 6388)]