21031152

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4517}}^1$

素因数の和:4625

約数の個数: 40

約数和(自身を含む): 54902736

約数和(自身を除く): 33871584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4517, 4656, 9034, 13551, 18068, 27102, 36136, 54204, 72272, 108408, 216816, 438149, 876298, 1314447, 1752596, 2628894, 3505192, 5257788, 7010384, 10515576, 21031152]

約数ペア:

[(1, 21031152), (2, 10515576), (3, 7010384), (4, 5257788), (6, 3505192), (8, 2628894), (12, 1752596), (16, 1314447), (24, 876298), (48, 438149), (97, 216816), (194, 108408), (291, 72272), (388, 54204), (582, 36136), (776, 27102), (1164, 18068), (1552, 13551), (2328, 9034), (4517, 4656)]