21551744

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 43283700

約数和(自身を除く): 21731956

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 1229, 2192, 2458, 4384, 4916, 8768, 9832, 17536, 19664, 39328, 78656, 157312, 168373, 336746, 673492, 1346984, 2693968, 5387936, 10775872, 21551744]

約数ペア:

[(1, 21551744), (2, 10775872), (4, 5387936), (8, 2693968), (16, 1346984), (32, 673492), (64, 336746), (128, 168373), (137, 157312), (274, 78656), (548, 39328), (1096, 19664), (1229, 17536), (2192, 9832), (2458, 8768), (4384, 4916)]