21131446213

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2741}}^1\times {\mathrm{4721}}^1$

素因数の和:7556

約数の個数: 16

約数和(自身を含む): 22373667072

約数和(自身を除く): 1242220859

約数列:

[1, 23, 71, 1633, 2741, 4721, 63043, 108583, 194611, 335191, 4476053, 7709393, 12940261, 297626003, 918758531, 21131446213]

約数ペア:

[(1, 21131446213), (23, 918758531), (71, 297626003), (1633, 12940261), (2741, 7709393), (4721, 4476053), (63043, 335191), (108583, 194611)]