21954537

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2549}}^1$

素因数の和:2598

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 14765463

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2549, 2871, 7647, 8613, 22941, 28039, 68823, 73921, 84117, 221763, 252351, 665289, 757053, 813131, 1995867, 2439393, 7318179, 21954537]

約数ペア:

[(1, 21954537), (3, 7318179), (9, 2439393), (11, 1995867), (27, 813131), (29, 757053), (33, 665289), (87, 252351), (99, 221763), (261, 84117), (297, 73921), (319, 68823), (783, 28039), (957, 22941), (2549, 8613), (2871, 7647)]