21847628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7411}}^1$

素因数の和:7493

約数の個数: 24

約数和(自身を含む): 42337344

約数和(自身を除く): 20489716

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7411, 14822, 29644, 81521, 163042, 326084, 496537, 993074, 1986148, 5461907, 10923814, 21847628]

約数ペア:

[(1, 21847628), (2, 10923814), (4, 5461907), (11, 1986148), (22, 993074), (44, 496537), (67, 326084), (134, 163042), (268, 81521), (737, 29644), (1474, 14822), (2948, 7411)]