21560022

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 72

約数和(自身を含む): 54152280

約数和(自身を除く): 32592258

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 121, 171, 198, 209, 242, 342, 363, 418, 521, 627, 726, 1042, 1089, 1254, 1563, 1881, 2178, 2299, 3126, 3762, 4598, 4689, 5731, 6897, 9378, 9899, 11462, 13794, 17193, 19798, 20691, 29697, 34386, 41382, 51579, 59394, 63041, 89091, 103158, 108889, 126082, 178182, 189123, 217778, 326667, 378246, 567369, 653334, 980001, 1134738, 1197779, 1960002, 2395558, 3593337, 7186674, 10780011, 21560022]

約数ペア:

[(1, 21560022), (2, 10780011), (3, 7186674), (6, 3593337), (9, 2395558), (11, 1960002), (18, 1197779), (19, 1134738), (22, 980001), (33, 653334), (38, 567369), (57, 378246), (66, 326667), (99, 217778), (114, 189123), (121, 178182), (171, 126082), (198, 108889), (209, 103158), (242, 89091), (342, 63041), (363, 59394), (418, 51579), (521, 41382), (627, 34386), (726, 29697), (1042, 20691), (1089, 19798), (1254, 17193), (1563, 13794), (1881, 11462), (2178, 9899), (2299, 9378), (3126, 6897), (3762, 5731), (4598, 4689)]