21600657

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 35226100

約数和(自身を除く): 13625443

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 349, 529, 897, 1047, 1587, 2691, 3141, 4537, 4761, 6877, 8027, 13611, 20631, 24081, 40833, 61893, 72243, 104351, 184621, 313053, 553863, 939159, 1661589, 2400073, 7200219, 21600657]

約数ペア:

[(1, 21600657), (3, 7200219), (9, 2400073), (13, 1661589), (23, 939159), (39, 553863), (69, 313053), (117, 184621), (207, 104351), (299, 72243), (349, 61893), (529, 40833), (897, 24081), (1047, 20631), (1587, 13611), (2691, 8027), (3141, 6877), (4537, 4761)]