21031755372

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1199621}}^1$

素因数の和:1200118

約数の個数: 36

約数和(自身を含む): 53272813776

約数和(自身を除く): 32241058404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1461, 1948, 2922, 4383, 5844, 8766, 17532, 1199621, 2399242, 3598863, 4798484, 7197726, 10796589, 14395452, 21593178, 43186356, 584215427, 1168430854, 1752646281, 2336861708, 3505292562, 5257938843, 7010585124, 10515877686, 21031755372]

約数ペア:

[(1, 21031755372), (2, 10515877686), (3, 7010585124), (4, 5257938843), (6, 3505292562), (9, 2336861708), (12, 1752646281), (18, 1168430854), (36, 584215427), (487, 43186356), (974, 21593178), (1461, 14395452), (1948, 10796589), (2922, 7197726), (4383, 4798484), (5844, 3598863), (8766, 2399242), (17532, 1199621)]