21480452289

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1733273}}^1$

素因数の和:1733308

約数の個数: 28

約数和(自身を含む): 34100432676

約数和(自身を除く): 12619980387

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393, 1733273, 5199819, 15599457, 29465641, 46798371, 88396923, 140395113, 265190769, 421185339, 795572307, 1263556017, 2386716921, 7160150763, 21480452289]

約数ペア:

[(1, 21480452289), (3, 7160150763), (9, 2386716921), (17, 1263556017), (27, 795572307), (51, 421185339), (81, 265190769), (153, 140395113), (243, 88396923), (459, 46798371), (729, 29465641), (1377, 15599457), (4131, 5199819), (12393, 1733273)]