21309517728

素因数分解:

$2^5\times 3^2\times {\mathrm{73991381}}^1$

素因数の和:73991397

約数の個数: 36

約数和(自身を含む): 60598941858

約数和(自身を除く): 39289424130

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73991381, 147982762, 221974143, 295965524, 443948286, 591931048, 665922429, 887896572, 1183862096, 1331844858, 1775793144, 2367724192, 2663689716, 3551586288, 5327379432, 7103172576, 10654758864, 21309517728]

約数ペア:

[(1, 21309517728), (2, 10654758864), (3, 7103172576), (4, 5327379432), (6, 3551586288), (8, 2663689716), (9, 2367724192), (12, 1775793144), (16, 1331844858), (18, 1183862096), (24, 887896572), (32, 665922429), (36, 591931048), (48, 443948286), (72, 295965524), (96, 221974143), (144, 147982762), (288, 73991381)]