21141954

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^2\times {\mathrm{233}}^1$

素因数の和:383

約数の個数: 36

約数和(自身を含む): 46661238

約数和(自身を除く): 25519284

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 233, 426, 466, 639, 699, 1278, 1398, 2097, 4194, 5041, 10082, 15123, 16543, 30246, 33086, 45369, 49629, 90738, 99258, 148887, 297774, 1174553, 2349106, 3523659, 7047318, 10570977, 21141954]

約数ペア:

[(1, 21141954), (2, 10570977), (3, 7047318), (6, 3523659), (9, 2349106), (18, 1174553), (71, 297774), (142, 148887), (213, 99258), (233, 90738), (426, 49629), (466, 45369), (639, 33086), (699, 30246), (1278, 16543), (1398, 15123), (2097, 10082), (4194, 5041)]