21584970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21803}}^1$

素因数の和:21827

約数の個数: 48

約数和(自身を含む): 61225632

約数和(自身を除く): 39640662

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21803, 43606, 65409, 109015, 130818, 196227, 218030, 239833, 327045, 392454, 479666, 654090, 719499, 981135, 1199165, 1438998, 1962270, 2158497, 2398330, 3597495, 4316994, 7194990, 10792485, 21584970]

約数ペア:

[(1, 21584970), (2, 10792485), (3, 7194990), (5, 4316994), (6, 3597495), (9, 2398330), (10, 2158497), (11, 1962270), (15, 1438998), (18, 1199165), (22, 981135), (30, 719499), (33, 654090), (45, 479666), (55, 392454), (66, 327045), (90, 239833), (99, 218030), (110, 196227), (165, 130818), (198, 109015), (330, 65409), (495, 43606), (990, 21803)]