21297614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19979}}^1$

素因数の和:20035

約数の個数: 16

約数和(自身を含む): 35244720

約数和(自身を除く): 13947106

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19979, 39958, 259727, 519454, 819139, 1638278, 10648807, 21297614]

約数ペア:

[(1, 21297614), (2, 10648807), (13, 1638278), (26, 819139), (41, 519454), (82, 259727), (533, 39958), (1066, 19979)]