21089792

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2458

約数の個数: 40

約数和(自身を含む): 44635536

約数和(自身を除く): 23545744

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 2423, 4352, 4846, 8704, 9692, 19384, 38768, 41191, 77536, 82382, 155072, 164764, 310144, 329528, 620288, 659056, 1240576, 1318112, 2636224, 5272448, 10544896, 21089792]

約数ペア:

[(1, 21089792), (2, 10544896), (4, 5272448), (8, 2636224), (16, 1318112), (17, 1240576), (32, 659056), (34, 620288), (64, 329528), (68, 310144), (128, 164764), (136, 155072), (256, 82382), (272, 77536), (512, 41191), (544, 38768), (1088, 19384), (2176, 9692), (2423, 8704), (4352, 4846)]