21106449

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25771}}^1$

素因数の和:25797

約数の個数: 24

約数和(自身を含む): 37524032

約数和(自身を除く): 16417583

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25771, 77313, 180397, 231939, 335023, 541191, 1005069, 1623573, 2345161, 3015207, 7035483, 21106449]

約数ペア:

[(1, 21106449), (3, 7035483), (7, 3015207), (9, 2345161), (13, 1623573), (21, 1005069), (39, 541191), (63, 335023), (91, 231939), (117, 180397), (273, 77313), (819, 25771)]