21774416

素因数分解:

$2^4\times {\mathrm{17}}^3\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 40

約数和(自身を含む): 44985960

約数和(自身を除く): 23211544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 277, 289, 554, 578, 1108, 1156, 2216, 2312, 4432, 4624, 4709, 4913, 9418, 9826, 18836, 19652, 37672, 39304, 75344, 78608, 80053, 160106, 320212, 640424, 1280848, 1360901, 2721802, 5443604, 10887208, 21774416]

約数ペア:

[(1, 21774416), (2, 10887208), (4, 5443604), (8, 2721802), (16, 1360901), (17, 1280848), (34, 640424), (68, 320212), (136, 160106), (272, 80053), (277, 78608), (289, 75344), (554, 39304), (578, 37672), (1108, 19652), (1156, 18836), (2216, 9826), (2312, 9418), (4432, 4913), (4624, 4709)]