15721224

素因数分解:

$2^3\times 3^1\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 39402240

約数和(自身を除く): 23681016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 661, 991, 1322, 1982, 1983, 2644, 2973, 3964, 3966, 5288, 5946, 7928, 7932, 11892, 15864, 23784, 655051, 1310102, 1965153, 2620204, 3930306, 5240408, 7860612, 15721224]

約数ペア:

[(1, 15721224), (2, 7860612), (3, 5240408), (4, 3930306), (6, 2620204), (8, 1965153), (12, 1310102), (24, 655051), (661, 23784), (991, 15864), (1322, 11892), (1982, 7932), (1983, 7928), (2644, 5946), (2973, 5288), (3964, 3966)]