21385254

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1453}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 46900224

約数和(自身を除く): 25514970

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 223, 446, 669, 1338, 1453, 2453, 2906, 4359, 4906, 7359, 8718, 14718, 15983, 31966, 47949, 95898, 324019, 648038, 972057, 1944114, 3564209, 7128418, 10692627, 21385254]

約数ペア:

[(1, 21385254), (2, 10692627), (3, 7128418), (6, 3564209), (11, 1944114), (22, 972057), (33, 648038), (66, 324019), (223, 95898), (446, 47949), (669, 31966), (1338, 15983), (1453, 14718), (2453, 8718), (2906, 7359), (4359, 4906)]