21703484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 43636320

約数和(自身を除く): 21932836

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 73, 116, 146, 233, 292, 319, 466, 638, 803, 932, 1276, 1606, 2117, 2563, 3212, 4234, 5126, 6757, 8468, 10252, 13514, 17009, 23287, 27028, 34018, 46574, 68036, 74327, 93148, 148654, 187099, 297308, 374198, 493261, 748396, 986522, 1973044, 5425871, 10851742, 21703484]

約数ペア:

[(1, 21703484), (2, 10851742), (4, 5425871), (11, 1973044), (22, 986522), (29, 748396), (44, 493261), (58, 374198), (73, 297308), (116, 187099), (146, 148654), (233, 93148), (292, 74327), (319, 68036), (466, 46574), (638, 34018), (803, 27028), (932, 23287), (1276, 17009), (1606, 13514), (2117, 10252), (2563, 8468), (3212, 6757), (4234, 5126)]