21972392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5153}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 45458280

約数和(自身を除く): 23485888

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 5153, 10306, 20612, 41224, 66989, 133978, 211273, 267956, 422546, 535912, 845092, 1690184, 2746549, 5493098, 10986196, 21972392]

約数ペア:

[(1, 21972392), (2, 10986196), (4, 5493098), (8, 2746549), (13, 1690184), (26, 845092), (41, 535912), (52, 422546), (82, 267956), (104, 211273), (164, 133978), (328, 66989), (533, 41224), (1066, 20612), (2132, 10306), (4264, 5153)]