21371324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21303364

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 107, 167, 214, 299, 334, 428, 598, 668, 1196, 1391, 2171, 2461, 2782, 3841, 4342, 4922, 5564, 7682, 8684, 9844, 15364, 17869, 31993, 35738, 49933, 63986, 71476, 99866, 127972, 199732, 232297, 410987, 464594, 821974, 929188, 1643948, 5342831, 10685662, 21371324]

約数ペア:

[(1, 21371324), (2, 10685662), (4, 5342831), (13, 1643948), (23, 929188), (26, 821974), (46, 464594), (52, 410987), (92, 232297), (107, 199732), (167, 127972), (214, 99866), (299, 71476), (334, 63986), (428, 49933), (598, 35738), (668, 31993), (1196, 17869), (1391, 15364), (2171, 9844), (2461, 8684), (2782, 7682), (3841, 5564), (4342, 4922)]