21616364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70183}}^1$

素因数の和:70205

約数の個数: 24

約数和(自身を含む): 47163648

約数和(自身を除く): 25547284

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70183, 140366, 280732, 491281, 772013, 982562, 1544026, 1965124, 3088052, 5404091, 10808182, 21616364]

約数ペア:

[(1, 21616364), (2, 10808182), (4, 5404091), (7, 3088052), (11, 1965124), (14, 1544026), (22, 982562), (28, 772013), (44, 491281), (77, 280732), (154, 140366), (308, 70183)]