21000331770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{103813}}^1$

素因数の和:104447

約数の個数: 64

約数和(自身を含む): 55072911744

約数和(自身を除く): 34072579974

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 613, 1226, 1839, 3065, 3678, 6130, 6743, 9195, 13486, 18390, 20229, 33715, 40458, 67430, 101145, 103813, 202290, 207626, 311439, 519065, 622878, 1038130, 1141943, 1557195, 2283886, 3114390, 3425829, 5709715, 6851658, 11419430, 17129145, 34258290, 63637369, 127274738, 190912107, 318186845, 381824214, 636373690, 700011059, 954560535, 1400022118, 1909121070, 2100033177, 3500055295, 4200066354, 7000110590, 10500165885, 21000331770]

約数ペア:

[(1, 21000331770), (2, 10500165885), (3, 7000110590), (5, 4200066354), (6, 3500055295), (10, 2100033177), (11, 1909121070), (15, 1400022118), (22, 954560535), (30, 700011059), (33, 636373690), (55, 381824214), (66, 318186845), (110, 190912107), (165, 127274738), (330, 63637369), (613, 34258290), (1226, 17129145), (1839, 11419430), (3065, 6851658), (3678, 5709715), (6130, 3425829), (6743, 3114390), (9195, 2283886), (13486, 1557195), (18390, 1141943), (20229, 1038130), (33715, 622878), (40458, 519065), (67430, 311439), (101145, 207626), (103813, 202290)]