21299733

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8669}}^1$

素因数の和:8698

約数の個数: 32

約数和(自身を含む): 38841600

約数和(自身を除く): 17541867

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8669, 26007, 60683, 78021, 112697, 182049, 234063, 338091, 546147, 788879, 1014273, 1638441, 2366637, 3042819, 7099911, 21299733]

約数ペア:

[(1, 21299733), (3, 7099911), (7, 3042819), (9, 2366637), (13, 1638441), (21, 1014273), (27, 788879), (39, 546147), (63, 338091), (91, 234063), (117, 182049), (189, 112697), (273, 78021), (351, 60683), (819, 26007), (2457, 8669)]