21079110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54049}}^1$

素因数の和:54072

約数の個数: 32

約数和(自身を含む): 54482400

約数和(自身を除く): 33403290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54049, 108098, 162147, 270245, 324294, 540490, 702637, 810735, 1405274, 1621470, 2107911, 3513185, 4215822, 7026370, 10539555, 21079110]

約数ペア:

[(1, 21079110), (2, 10539555), (3, 7026370), (5, 4215822), (6, 3513185), (10, 2107911), (13, 1621470), (15, 1405274), (26, 810735), (30, 702637), (39, 540490), (65, 324294), (78, 270245), (130, 162147), (195, 108098), (390, 54049)]