21409494

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 45536256

約数和(自身を除く): 24126762

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 431, 487, 862, 974, 1293, 1461, 2586, 2922, 7327, 8279, 14654, 16558, 21981, 24837, 43962, 49674, 209897, 419794, 629691, 1259382, 3568249, 7136498, 10704747, 21409494]

約数ペア:

[(1, 21409494), (2, 10704747), (3, 7136498), (6, 3568249), (17, 1259382), (34, 629691), (51, 419794), (102, 209897), (431, 49674), (487, 43962), (862, 24837), (974, 21981), (1293, 16558), (1461, 14654), (2586, 8279), (2922, 7327)]