21760218

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10891}}^1$

素因数の和:10939

約数の個数: 32

約数和(自身を含む): 49667520

約数和(自身を除く): 27907302

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10891, 21782, 32673, 65346, 98019, 196038, 294057, 402967, 588114, 805934, 1208901, 2417802, 3626703, 7253406, 10880109, 21760218]

約数ペア:

[(1, 21760218), (2, 10880109), (3, 7253406), (6, 3626703), (9, 2417802), (18, 1208901), (27, 805934), (37, 588114), (54, 402967), (74, 294057), (111, 196038), (222, 98019), (333, 65346), (666, 32673), (999, 21782), (1998, 10891)]