21107736

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7517}}^1$

素因数の和:7545

約数の個数: 64

約数和(自身を含む): 63151200

約数和(自身を除く): 42043464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7517, 15034, 22551, 30068, 45102, 60136, 67653, 90204, 97721, 135306, 180408, 195442, 202959, 270612, 293163, 390884, 405918, 541224, 586326, 781768, 811836, 879489, 1172652, 1623672, 1758978, 2345304, 2638467, 3517956, 5276934, 7035912, 10553868, 21107736]

約数ペア:

[(1, 21107736), (2, 10553868), (3, 7035912), (4, 5276934), (6, 3517956), (8, 2638467), (9, 2345304), (12, 1758978), (13, 1623672), (18, 1172652), (24, 879489), (26, 811836), (27, 781768), (36, 586326), (39, 541224), (52, 405918), (54, 390884), (72, 293163), (78, 270612), (104, 202959), (108, 195442), (117, 180408), (156, 135306), (216, 97721), (234, 90204), (312, 67653), (351, 60136), (468, 45102), (702, 30068), (936, 22551), (1404, 15034), (2808, 7517)]