21291498

素因数分解:

$2^1\times 3^4\times {\mathrm{167}}^1\times {\mathrm{787}}^1$

素因数の和:968

約数の個数: 40

約数和(自身を含む): 48055392

約数和(自身を除く): 26763894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 167, 334, 501, 787, 1002, 1503, 1574, 2361, 3006, 4509, 4722, 7083, 9018, 13527, 14166, 21249, 27054, 42498, 63747, 127494, 131429, 262858, 394287, 788574, 1182861, 2365722, 3548583, 7097166, 10645749, 21291498]

約数ペア:

[(1, 21291498), (2, 10645749), (3, 7097166), (6, 3548583), (9, 2365722), (18, 1182861), (27, 788574), (54, 394287), (81, 262858), (162, 131429), (167, 127494), (334, 63747), (501, 42498), (787, 27054), (1002, 21249), (1503, 14166), (1574, 13527), (2361, 9018), (3006, 7083), (4509, 4722)]