21168536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5021}}^1$

素因数の和:5075

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 22221544

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 5021, 10042, 20084, 40168, 85357, 155651, 170714, 311302, 341428, 622604, 682856, 1245208, 2646067, 5292134, 10584268, 21168536]

約数ペア:

[(1, 21168536), (2, 10584268), (4, 5292134), (8, 2646067), (17, 1245208), (31, 682856), (34, 622604), (62, 341428), (68, 311302), (124, 170714), (136, 155651), (248, 85357), (527, 40168), (1054, 20084), (2108, 10042), (4216, 5021)]