21275784

素因数分解:

$2^3\times 3^4\times {\mathrm{32833}}^1$

素因数の和:32851

約数の個数: 40

約数和(自身を含む): 59593710

約数和(自身を除く): 38317926

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32833, 65666, 98499, 131332, 196998, 262664, 295497, 393996, 590994, 787992, 886491, 1181988, 1772982, 2363976, 2659473, 3545964, 5318946, 7091928, 10637892, 21275784]

約数ペア:

[(1, 21275784), (2, 10637892), (3, 7091928), (4, 5318946), (6, 3545964), (8, 2659473), (9, 2363976), (12, 1772982), (18, 1181988), (24, 886491), (27, 787992), (36, 590994), (54, 393996), (72, 295497), (81, 262664), (108, 196998), (162, 131332), (216, 98499), (324, 65666), (648, 32833)]