21794697

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 12799863

約数列:

[1, 3, 9, 17, 27, 51, 103, 153, 309, 459, 461, 927, 1383, 1751, 2781, 4149, 5253, 7837, 12447, 15759, 23511, 47277, 47483, 70533, 142449, 211599, 427347, 807211, 1282041, 2421633, 7264899, 21794697]

約数ペア:

[(1, 21794697), (3, 7264899), (9, 2421633), (17, 1282041), (27, 807211), (51, 427347), (103, 211599), (153, 142449), (309, 70533), (459, 47483), (461, 47277), (927, 23511), (1383, 15759), (1751, 12447), (2781, 7837), (4149, 5253)]