21949792

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9661}}^1$

素因数の和:9742

約数の個数: 24

約数和(自身を含む): 43826832

約数和(自身を除く): 21877040

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9661, 19322, 38644, 77288, 154576, 309152, 685931, 1371862, 2743724, 5487448, 10974896, 21949792]

約数ペア:

[(1, 21949792), (2, 10974896), (4, 5487448), (8, 2743724), (16, 1371862), (32, 685931), (71, 309152), (142, 154576), (284, 77288), (568, 38644), (1136, 19322), (2272, 9661)]