21561498

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57041}}^1$

素因数の和:57059

約数の個数: 32

約数和(自身を含む): 54760320

約数和(自身を除く): 33198822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57041, 114082, 171123, 342246, 399287, 513369, 798574, 1026738, 1197861, 1540107, 2395722, 3080214, 3593583, 7187166, 10780749, 21561498]

約数ペア:

[(1, 21561498), (2, 10780749), (3, 7187166), (6, 3593583), (7, 3080214), (9, 2395722), (14, 1540107), (18, 1197861), (21, 1026738), (27, 798574), (42, 513369), (54, 399287), (63, 342246), (126, 171123), (189, 114082), (378, 57041)]