21965499

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1086

約数の個数: 28

約数和(自身を含む): 34101600

約数和(自身を除く): 12136101

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 1039, 2349, 3117, 7047, 9351, 21141, 28053, 30131, 84159, 90393, 252477, 271179, 757431, 813537, 2440611, 7321833, 21965499]

約数ペア:

[(1, 21965499), (3, 7321833), (9, 2440611), (27, 813537), (29, 757431), (81, 271179), (87, 252477), (243, 90393), (261, 84159), (729, 30131), (783, 28053), (1039, 21141), (2349, 9351), (3117, 7047)]