21006972072

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1481033}}^1$

素因数の和:1481242

約数の個数: 48

約数和(自身を含む): 57182722740

約数和(自身を除く): 36175750668

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1576, 1773, 2364, 3546, 4728, 7092, 14184, 1481033, 2962066, 4443099, 5924132, 8886198, 11848264, 13329297, 17772396, 26658594, 35544792, 53317188, 106634376, 291763501, 583527002, 875290503, 1167054004, 1750581006, 2334108008, 2625871509, 3501162012, 5251743018, 7002324024, 10503486036, 21006972072]

約数ペア:

[(1, 21006972072), (2, 10503486036), (3, 7002324024), (4, 5251743018), (6, 3501162012), (8, 2625871509), (9, 2334108008), (12, 1750581006), (18, 1167054004), (24, 875290503), (36, 583527002), (72, 291763501), (197, 106634376), (394, 53317188), (591, 35544792), (788, 26658594), (1182, 17772396), (1576, 13329297), (1773, 11848264), (2364, 8886198), (3546, 5924132), (4728, 4443099), (7092, 2962066), (14184, 1481033)]