21427890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5903}}^1$

素因数の和:5935

約数の個数: 48

約数和(自身を含む): 56536704

約数和(自身を除く): 35108814

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 121, 165, 242, 330, 363, 605, 726, 1210, 1815, 3630, 5903, 11806, 17709, 29515, 35418, 59030, 64933, 88545, 129866, 177090, 194799, 324665, 389598, 649330, 714263, 973995, 1428526, 1947990, 2142789, 3571315, 4285578, 7142630, 10713945, 21427890]

約数ペア:

[(1, 21427890), (2, 10713945), (3, 7142630), (5, 4285578), (6, 3571315), (10, 2142789), (11, 1947990), (15, 1428526), (22, 973995), (30, 714263), (33, 649330), (55, 389598), (66, 324665), (110, 194799), (121, 177090), (165, 129866), (242, 88545), (330, 64933), (363, 59030), (605, 35418), (726, 29515), (1210, 17709), (1815, 11806), (3630, 5903)]