21195570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5839}}^1$

素因数の和:5871

約数の個数: 48

約数和(自身を含む): 55923840

約数和(自身を除く): 34728270

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, 5839, 11678, 17517, 29195, 35034, 58390, 64229, 87585, 128458, 175170, 192687, 321145, 385374, 642290, 706519, 963435, 1413038, 1926870, 2119557, 3532595, 4239114, 7065190, 10597785, 21195570]

約数ペア:

[(1, 21195570), (2, 10597785), (3, 7065190), (5, 4239114), (6, 3532595), (10, 2119557), (11, 1926870), (15, 1413038), (22, 963435), (30, 706519), (33, 642290), (55, 385374), (66, 321145), (110, 192687), (121, 175170), (165, 128458), (242, 87585), (330, 64229), (363, 58390), (605, 35034), (726, 29195), (1210, 17517), (1815, 11678), (3630, 5839)]