21357596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21617}}^1$

素因数の和:21653

約数の個数: 24

約数和(自身を含む): 42371280

約数和(自身を除く): 21013684

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21617, 43234, 86468, 281021, 410723, 562042, 821446, 1124084, 1642892, 5339399, 10678798, 21357596]

約数ペア:

[(1, 21357596), (2, 10678798), (4, 5339399), (13, 1642892), (19, 1124084), (26, 821446), (38, 562042), (52, 410723), (76, 281021), (247, 86468), (494, 43234), (988, 21617)]