21853144

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 41863680

約数和(自身を除く): 20010536

約数列:

[1, 2, 4, 8, 127, 137, 157, 254, 274, 314, 508, 548, 628, 1016, 1096, 1256, 17399, 19939, 21509, 34798, 39878, 43018, 69596, 79756, 86036, 139192, 159512, 172072, 2731643, 5463286, 10926572, 21853144]

約数ペア:

[(1, 21853144), (2, 10926572), (4, 5463286), (8, 2731643), (127, 172072), (137, 159512), (157, 139192), (254, 86036), (274, 79756), (314, 69596), (508, 43018), (548, 39878), (628, 34798), (1016, 21509), (1096, 19939), (1256, 17399)]