21971014401

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{761}}^1\times {\mathrm{10337}}^1$

素因数の和:11134

約数の個数: 48

約数和(自身を含む): 35921655360

約数和(自身を除く): 13950640959

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 761, 931, 2283, 2793, 5327, 10337, 14459, 15981, 31011, 37289, 43377, 72359, 101213, 111867, 196403, 217077, 303639, 506513, 589209, 708491, 1374821, 1519539, 2125473, 4124463, 7866457, 9623747, 23599371, 28871241, 55065199, 149462683, 165195597, 385456393, 448388049, 1046238781, 1156369179, 3138716343, 7323671467, 21971014401]

約数ペア:

[(1, 21971014401), (3, 7323671467), (7, 3138716343), (19, 1156369179), (21, 1046238781), (49, 448388049), (57, 385456393), (133, 165195597), (147, 149462683), (399, 55065199), (761, 28871241), (931, 23599371), (2283, 9623747), (2793, 7866457), (5327, 4124463), (10337, 2125473), (14459, 1519539), (15981, 1374821), (31011, 708491), (37289, 589209), (43377, 506513), (72359, 303639), (101213, 217077), (111867, 196403)]