21000337380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10606231}}^1$

素因数の和:10606257

約数の個数: 72

約数和(自身を含む): 69492032064

約数和(自身を除く): 48491694684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10606231, 21212462, 31818693, 42424924, 53031155, 63637386, 95456079, 106062310, 116668541, 127274772, 159093465, 190912158, 212124620, 233337082, 318186930, 350005623, 381824316, 466674164, 477280395, 583342705, 636373860, 700011246, 954560790, 1050016869, 1166685410, 1400022492, 1750028115, 1909121580, 2100033738, 2333370820, 3500056230, 4200067476, 5250084345, 7000112460, 10500168690, 21000337380]

約数ペア:

[(1, 21000337380), (2, 10500168690), (3, 7000112460), (4, 5250084345), (5, 4200067476), (6, 3500056230), (9, 2333370820), (10, 2100033738), (11, 1909121580), (12, 1750028115), (15, 1400022492), (18, 1166685410), (20, 1050016869), (22, 954560790), (30, 700011246), (33, 636373860), (36, 583342705), (44, 477280395), (45, 466674164), (55, 381824316), (60, 350005623), (66, 318186930), (90, 233337082), (99, 212124620), (110, 190912158), (132, 159093465), (165, 127274772), (180, 116668541), (198, 106062310), (220, 95456079), (330, 63637386), (396, 53031155), (495, 42424924), (660, 31818693), (990, 21212462), (1980, 10606231)]