21543088

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8363}}^1$

素因数の和:8401

約数の個数: 40

約数和(自身を含む): 49782528

約数和(自身を除く): 28239440

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8363, 16726, 33452, 58541, 66904, 117082, 133808, 192349, 234164, 384698, 468328, 769396, 936656, 1346443, 1538792, 2692886, 3077584, 5385772, 10771544, 21543088]

約数ペア:

[(1, 21543088), (2, 10771544), (4, 5385772), (7, 3077584), (8, 2692886), (14, 1538792), (16, 1346443), (23, 936656), (28, 769396), (46, 468328), (56, 384698), (92, 234164), (112, 192349), (161, 133808), (184, 117082), (322, 66904), (368, 58541), (644, 33452), (1288, 16726), (2576, 8363)]