21260118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3881}}^1$

素因数の和:3980

約数の個数: 32

約数和(自身を含む): 46956672

約数和(自身を除く): 25696554

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3881, 5478, 7762, 11643, 23286, 42691, 85382, 128073, 256146, 322123, 644246, 966369, 1932738, 3543353, 7086706, 10630059, 21260118]

約数ペア:

[(1, 21260118), (2, 10630059), (3, 7086706), (6, 3543353), (11, 1932738), (22, 966369), (33, 644246), (66, 322123), (83, 256146), (166, 128073), (249, 85382), (498, 42691), (913, 23286), (1826, 11643), (2739, 7762), (3881, 5478)]