21673521

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2053}}^1$

素因数の和:2102

約数の個数: 32

約数和(自身を含む): 35493120

約数和(自身を除く): 13819599

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 2053, 3519, 6159, 10557, 18477, 34901, 47219, 55431, 104703, 141657, 314109, 424971, 802723, 942327, 1274913, 2408169, 7224507, 21673521]

約数ペア:

[(1, 21673521), (3, 7224507), (9, 2408169), (17, 1274913), (23, 942327), (27, 802723), (51, 424971), (69, 314109), (153, 141657), (207, 104703), (391, 55431), (459, 47219), (621, 34901), (1173, 18477), (2053, 10557), (3519, 6159)]