21499288

素因数分解:

$2^3\times {\mathrm{17}}^3\times {\mathrm{547}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 42908400

約数和(自身を除く): 21409112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 547, 578, 1094, 1156, 2188, 2312, 4376, 4913, 9299, 9826, 18598, 19652, 37196, 39304, 74392, 158083, 316166, 632332, 1264664, 2687411, 5374822, 10749644, 21499288]

約数ペア:

[(1, 21499288), (2, 10749644), (4, 5374822), (8, 2687411), (17, 1264664), (34, 632332), (68, 316166), (136, 158083), (289, 74392), (547, 39304), (578, 37196), (1094, 19652), (1156, 18598), (2188, 9826), (2312, 9299), (4376, 4913)]