21282696

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{2663}}^1$

素因数の和:2715

約数の個数: 64

約数和(自身を含む): 60739200

約数和(自身を除く): 39456504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2663, 2664, 3996, 5326, 7989, 7992, 10652, 15978, 21304, 23967, 31956, 47934, 63912, 71901, 95868, 98531, 143802, 191736, 197062, 287604, 295593, 394124, 575208, 591186, 788248, 886779, 1182372, 1773558, 2364744, 2660337, 3547116, 5320674, 7094232, 10641348, 21282696]

約数ペア:

[(1, 21282696), (2, 10641348), (3, 7094232), (4, 5320674), (6, 3547116), (8, 2660337), (9, 2364744), (12, 1773558), (18, 1182372), (24, 886779), (27, 788248), (36, 591186), (37, 575208), (54, 394124), (72, 295593), (74, 287604), (108, 197062), (111, 191736), (148, 143802), (216, 98531), (222, 95868), (296, 71901), (333, 63912), (444, 47934), (666, 31956), (888, 23967), (999, 21304), (1332, 15978), (1998, 10652), (2663, 7992), (2664, 7989), (3996, 5326)]