21367424

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12841}}^1$

素因数の和:12868

約数の個数: 32

約数和(自身を含む): 45845940

約数和(自身を除く): 24478516

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12841, 25682, 51364, 102728, 166933, 205456, 333866, 410912, 667732, 821824, 1335464, 1643648, 2670928, 5341856, 10683712, 21367424]

約数ペア:

[(1, 21367424), (2, 10683712), (4, 5341856), (8, 2670928), (13, 1643648), (16, 1335464), (26, 821824), (32, 667732), (52, 410912), (64, 333866), (104, 205456), (128, 166933), (208, 102728), (416, 51364), (832, 25682), (1664, 12841)]