21003702918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3575707}}^1$

素因数の和:3575812

約数の個数: 32

約数和(自身を含む): 46341175680

約数和(自身を除く): 25337472762

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 5874, 3575707, 7151414, 10727121, 21454242, 39332777, 78665554, 117998331, 235996662, 318237923, 636475846, 954713769, 1909427538, 3500617153, 7001234306, 10501851459, 21003702918]

約数ペア:

[(1, 21003702918), (2, 10501851459), (3, 7001234306), (6, 3500617153), (11, 1909427538), (22, 954713769), (33, 636475846), (66, 318237923), (89, 235996662), (178, 117998331), (267, 78665554), (534, 39332777), (979, 21454242), (1958, 10727121), (2937, 7151414), (5874, 3575707)]