21798414

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 52144560

約数和(自身を除く): 30346146

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 89, 99, 178, 198, 267, 534, 801, 979, 1237, 1602, 1958, 2474, 2937, 3711, 5874, 7422, 8811, 11133, 13607, 17622, 22266, 27214, 40821, 81642, 110093, 122463, 220186, 244926, 330279, 660558, 990837, 1211023, 1981674, 2422046, 3633069, 7266138, 10899207, 21798414]

約数ペア:

[(1, 21798414), (2, 10899207), (3, 7266138), (6, 3633069), (9, 2422046), (11, 1981674), (18, 1211023), (22, 990837), (33, 660558), (66, 330279), (89, 244926), (99, 220186), (178, 122463), (198, 110093), (267, 81642), (534, 40821), (801, 27214), (979, 22266), (1237, 17622), (1602, 13607), (1958, 11133), (2474, 8811), (2937, 7422), (3711, 5874)]