21936320

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1430

約数の個数: 84

約数和(自身を含む): 60807600

約数和(自身を除く): 38871280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1399, 1568, 1960, 2240, 2798, 3136, 3920, 5596, 6995, 7840, 9793, 11192, 13990, 15680, 19586, 22384, 27980, 39172, 44768, 48965, 55960, 68551, 78344, 89536, 97930, 111920, 137102, 156688, 195860, 223840, 274204, 313376, 342755, 391720, 447680, 548408, 626752, 685510, 783440, 1096816, 1371020, 1566880, 2193632, 2742040, 3133760, 4387264, 5484080, 10968160, 21936320]

約数ペア:

[(1, 21936320), (2, 10968160), (4, 5484080), (5, 4387264), (7, 3133760), (8, 2742040), (10, 2193632), (14, 1566880), (16, 1371020), (20, 1096816), (28, 783440), (32, 685510), (35, 626752), (40, 548408), (49, 447680), (56, 391720), (64, 342755), (70, 313376), (80, 274204), (98, 223840), (112, 195860), (140, 156688), (160, 137102), (196, 111920), (224, 97930), (245, 89536), (280, 78344), (320, 68551), (392, 55960), (448, 48965), (490, 44768), (560, 39172), (784, 27980), (980, 22384), (1120, 19586), (1399, 15680), (1568, 13990), (1960, 11192), (2240, 9793), (2798, 7840), (3136, 6995), (3920, 5596)]