21463474557

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{56747}}^1$

素因数の和:56878

約数の個数: 48

約数和(自身を含む): 34778806272

約数和(自身を除く): 13315331715

約数列:

[1, 3, 7, 21, 31, 49, 83, 93, 147, 217, 249, 581, 651, 1519, 1743, 2573, 4067, 4557, 7719, 12201, 18011, 54033, 56747, 126077, 170241, 378231, 397229, 1191687, 1759157, 2780603, 4710001, 5277471, 8341809, 12314099, 14130003, 32970007, 36942297, 86198693, 98910021, 146010031, 230790049, 258596079, 438030093, 692370147, 1022070217, 3066210651, 7154491519, 21463474557]

約数ペア:

[(1, 21463474557), (3, 7154491519), (7, 3066210651), (21, 1022070217), (31, 692370147), (49, 438030093), (83, 258596079), (93, 230790049), (147, 146010031), (217, 98910021), (249, 86198693), (581, 36942297), (651, 32970007), (1519, 14130003), (1743, 12314099), (2573, 8341809), (4067, 5277471), (4557, 4710001), (7719, 2780603), (12201, 1759157), (18011, 1191687), (54033, 397229), (56747, 378231), (126077, 170241)]