21509530925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 30598041600

約数和(自身を除く): 9088510675

約数列:

[1, 5, 17, 19, 25, 67, 83, 85, 95, 323, 335, 415, 425, 475, 479, 1139, 1273, 1411, 1577, 1615, 1675, 2075, 2395, 5561, 5695, 6365, 7055, 7885, 8075, 8143, 9101, 11975, 21641, 26809, 27805, 28475, 31825, 32093, 35275, 39425, 39757, 40715, 45505, 94537, 105659, 108205, 134045, 139025, 154717, 160465, 198785, 203575, 227525, 472685, 528295, 541025, 545581, 609767, 670225, 675869, 755383, 773585, 802325, 993925, 1796203, 2363425, 2641475, 2663719, 2727905, 3048835, 3379345, 3776915, 3867925, 8981015, 10366039, 12841511, 13318595, 13639525, 15244175, 16896725, 18884575, 44905075, 45283223, 50610661, 51830195, 64207555, 66592975, 226416115, 253053305, 259150975, 321037775, 860381237, 1132080575, 1265266525, 4301906185, 21509530925]

約数ペア:

[(1, 21509530925), (5, 4301906185), (17, 1265266525), (19, 1132080575), (25, 860381237), (67, 321037775), (83, 259150975), (85, 253053305), (95, 226416115), (323, 66592975), (335, 64207555), (415, 51830195), (425, 50610661), (475, 45283223), (479, 44905075), (1139, 18884575), (1273, 16896725), (1411, 15244175), (1577, 13639525), (1615, 13318595), (1675, 12841511), (2075, 10366039), (2395, 8981015), (5561, 3867925), (5695, 3776915), (6365, 3379345), (7055, 3048835), (7885, 2727905), (8075, 2663719), (8143, 2641475), (9101, 2363425), (11975, 1796203), (21641, 993925), (26809, 802325), (27805, 773585), (28475, 755383), (31825, 675869), (32093, 670225), (35275, 609767), (39425, 545581), (39757, 541025), (40715, 528295), (45505, 472685), (94537, 227525), (105659, 203575), (108205, 198785), (134045, 160465), (139025, 154717)]