21316746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28449654

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 89, 114, 178, 191, 209, 267, 382, 418, 534, 573, 627, 979, 1146, 1254, 1691, 1958, 2101, 2937, 3382, 3629, 4202, 5073, 5874, 6303, 7258, 10146, 10887, 12606, 16999, 18601, 21774, 33998, 37202, 39919, 50997, 55803, 79838, 101994, 111606, 119757, 186989, 239514, 322981, 373978, 560967, 645962, 968943, 1121934, 1937886, 3552791, 7105582, 10658373, 21316746]

約数ペア:

[(1, 21316746), (2, 10658373), (3, 7105582), (6, 3552791), (11, 1937886), (19, 1121934), (22, 968943), (33, 645962), (38, 560967), (57, 373978), (66, 322981), (89, 239514), (114, 186989), (178, 119757), (191, 111606), (209, 101994), (267, 79838), (382, 55803), (418, 50997), (534, 39919), (573, 37202), (627, 33998), (979, 21774), (1146, 18601), (1254, 16999), (1691, 12606), (1958, 10887), (2101, 10146), (2937, 7258), (3382, 6303), (3629, 5874), (4202, 5073)]