21031888653

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{761}}^1\times {\mathrm{2011}}^1$

素因数の和:3290

約数の個数: 32

約数和(自身を含む): 31276137600

約数和(自身を除く): 10244248947

約数列:

[1, 3, 9, 27, 509, 761, 1527, 2011, 2283, 4581, 6033, 6849, 13743, 18099, 20547, 54297, 387349, 1023599, 1162047, 1530371, 3070797, 3486141, 4591113, 9212391, 10458423, 13773339, 27637173, 41320017, 778958839, 2336876517, 7010629551, 21031888653]

約数ペア:

[(1, 21031888653), (3, 7010629551), (9, 2336876517), (27, 778958839), (509, 41320017), (761, 27637173), (1527, 13773339), (2011, 10458423), (2283, 9212391), (4581, 4591113), (6033, 3486141), (6849, 3070797), (13743, 1530371), (18099, 1162047), (20547, 1023599), (54297, 387349)]