21435315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 37691136

約数和(自身を除く): 16255821

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 797, 815, 1793, 2391, 2445, 3985, 5379, 8767, 8965, 11955, 26301, 26895, 43835, 129911, 131505, 389733, 649555, 1429021, 1948665, 4287063, 7145105, 21435315]

約数ペア:

[(1, 21435315), (3, 7145105), (5, 4287063), (11, 1948665), (15, 1429021), (33, 649555), (55, 389733), (163, 131505), (165, 129911), (489, 43835), (797, 26895), (815, 26301), (1793, 11955), (2391, 8965), (2445, 8767), (3985, 5379)]