21457776

素因数分解:

$2^4\times 3^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 55618960

約数和(自身を除く): 34161184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409, 818, 1093, 1227, 1636, 2186, 2454, 3272, 3279, 4372, 4908, 6544, 6558, 8744, 9816, 13116, 17488, 19632, 26232, 52464, 447037, 894074, 1341111, 1788148, 2682222, 3576296, 5364444, 7152592, 10728888, 21457776]

約数ペア:

[(1, 21457776), (2, 10728888), (3, 7152592), (4, 5364444), (6, 3576296), (8, 2682222), (12, 1788148), (16, 1341111), (24, 894074), (48, 447037), (409, 52464), (818, 26232), (1093, 19632), (1227, 17488), (1636, 13116), (2186, 9816), (2454, 8744), (3272, 6558), (3279, 6544), (4372, 4908)]