21520512252

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1361713}}^1$

素因数の和:1362162

約数の個数: 36

約数和(自身を含む): 54523028560

約数和(自身を除く): 33002516308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1756, 2634, 3951, 5268, 7902, 15804, 1361713, 2723426, 4085139, 5446852, 8170278, 12255417, 16340556, 24510834, 49021668, 597792007, 1195584014, 1793376021, 2391168028, 3586752042, 5380128063, 7173504084, 10760256126, 21520512252]

約数ペア:

[(1, 21520512252), (2, 10760256126), (3, 7173504084), (4, 5380128063), (6, 3586752042), (9, 2391168028), (12, 1793376021), (18, 1195584014), (36, 597792007), (439, 49021668), (878, 24510834), (1317, 16340556), (1756, 12255417), (2634, 8170278), (3951, 5446852), (5268, 4085139), (7902, 2723426), (15804, 1361713)]