21167368803

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{39937}}^1$

素因数の和:40176

約数の個数: 48

約数和(自身を含む): 35886689280

約数和(自身を除く): 14719320477

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 179, 329, 423, 537, 987, 1253, 1611, 2961, 3759, 8413, 11277, 25239, 39937, 58891, 75717, 119811, 176673, 279559, 359433, 530019, 838677, 1877039, 2516031, 5631117, 7148723, 13139273, 16893351, 21446169, 39417819, 50041061, 64338507, 118253457, 150123183, 335989981, 450369549, 1007969943, 2351929867, 3023909829, 7055789601, 21167368803]

約数ペア:

[(1, 21167368803), (3, 7055789601), (7, 3023909829), (9, 2351929867), (21, 1007969943), (47, 450369549), (63, 335989981), (141, 150123183), (179, 118253457), (329, 64338507), (423, 50041061), (537, 39417819), (987, 21446169), (1253, 16893351), (1611, 13139273), (2961, 7148723), (3759, 5631117), (8413, 2516031), (11277, 1877039), (25239, 838677), (39937, 530019), (58891, 359433), (75717, 279559), (119811, 176673)]