21103698285

素因数分解:

$3^5\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{6841}}^1$

素因数の和:9400

約数の個数: 48

約数和(自身を含む): 37955037120

約数和(自身を除く): 16851338835

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 2539, 6841, 7617, 12695, 20523, 22851, 34205, 38085, 61569, 68553, 102615, 114255, 184707, 205659, 307845, 342765, 554121, 616977, 923535, 1028295, 1662363, 2770605, 3084885, 8311815, 17369299, 52107897, 86846495, 156323691, 260539485, 468971073, 781618455, 1406913219, 2344855365, 4220739657, 7034566095, 21103698285]

約数ペア:

[(1, 21103698285), (3, 7034566095), (5, 4220739657), (9, 2344855365), (15, 1406913219), (27, 781618455), (45, 468971073), (81, 260539485), (135, 156323691), (243, 86846495), (405, 52107897), (1215, 17369299), (2539, 8311815), (6841, 3084885), (7617, 2770605), (12695, 1662363), (20523, 1028295), (22851, 923535), (34205, 616977), (38085, 554121), (61569, 342765), (68553, 307845), (102615, 205659), (114255, 184707)]