21999864

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 57808800

約数和(自身を除く): 35808936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 73, 87, 116, 146, 174, 219, 232, 292, 348, 433, 438, 584, 696, 866, 876, 1299, 1732, 1752, 2117, 2598, 3464, 4234, 5196, 6351, 8468, 10392, 12557, 12702, 16936, 25114, 25404, 31609, 37671, 50228, 50808, 63218, 75342, 94827, 100456, 126436, 150684, 189654, 252872, 301368, 379308, 758616, 916661, 1833322, 2749983, 3666644, 5499966, 7333288, 10999932, 21999864]

約数ペア:

[(1, 21999864), (2, 10999932), (3, 7333288), (4, 5499966), (6, 3666644), (8, 2749983), (12, 1833322), (24, 916661), (29, 758616), (58, 379308), (73, 301368), (87, 252872), (116, 189654), (146, 150684), (174, 126436), (219, 100456), (232, 94827), (292, 75342), (348, 63218), (433, 50808), (438, 50228), (584, 37671), (696, 31609), (866, 25404), (876, 25114), (1299, 16936), (1732, 12702), (1752, 12557), (2117, 10392), (2598, 8468), (3464, 6351), (4234, 5196)]