21870936

素因数分解:

$2^3\times 3^2\times {\mathrm{179}}^1\times {\mathrm{1697}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 59599800

約数和(自身を除く): 37728864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 179, 358, 537, 716, 1074, 1432, 1611, 1697, 2148, 3222, 3394, 4296, 5091, 6444, 6788, 10182, 12888, 13576, 15273, 20364, 30546, 40728, 61092, 122184, 303763, 607526, 911289, 1215052, 1822578, 2430104, 2733867, 3645156, 5467734, 7290312, 10935468, 21870936]

約数ペア:

[(1, 21870936), (2, 10935468), (3, 7290312), (4, 5467734), (6, 3645156), (8, 2733867), (9, 2430104), (12, 1822578), (18, 1215052), (24, 911289), (36, 607526), (72, 303763), (179, 122184), (358, 61092), (537, 40728), (716, 30546), (1074, 20364), (1432, 15273), (1611, 13576), (1697, 12888), (2148, 10182), (3222, 6788), (3394, 6444), (4296, 5091)]