21081954

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 44218944

約数和(自身を除く): 23136990

約数列:

[1, 2, 3, 6, 41, 43, 82, 86, 123, 129, 246, 258, 1763, 1993, 3526, 3986, 5289, 5979, 10578, 11958, 81713, 85699, 163426, 171398, 245139, 257097, 490278, 514194, 3513659, 7027318, 10540977, 21081954]

約数ペア:

[(1, 21081954), (2, 10540977), (3, 7027318), (6, 3513659), (41, 514194), (43, 490278), (82, 257097), (86, 245139), (123, 171398), (129, 163426), (246, 85699), (258, 81713), (1763, 11958), (1993, 10578), (3526, 5979), (3986, 5289)]