21667792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2153}}^1$

素因数の和:2215

約数の個数: 40

約数和(自身を含む): 45673416

約数和(自身を除く): 24005624

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2153, 2516, 4306, 5032, 8612, 10064, 17224, 34448, 36601, 73202, 79661, 146404, 159322, 292808, 318644, 585616, 637288, 1274576, 1354237, 2708474, 5416948, 10833896, 21667792]

約数ペア:

[(1, 21667792), (2, 10833896), (4, 5416948), (8, 2708474), (16, 1354237), (17, 1274576), (34, 637288), (37, 585616), (68, 318644), (74, 292808), (136, 159322), (148, 146404), (272, 79661), (296, 73202), (592, 36601), (629, 34448), (1258, 17224), (2153, 10064), (2516, 8612), (4306, 5032)]