21492918

素因数分解:

$2^1\times 3^3\times {\mathrm{619}}^1\times {\mathrm{643}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 47913600

約数和(自身を除く): 26420682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 619, 643, 1238, 1286, 1857, 1929, 3714, 3858, 5571, 5787, 11142, 11574, 16713, 17361, 33426, 34722, 398017, 796034, 1194051, 2388102, 3582153, 7164306, 10746459, 21492918]

約数ペア:

[(1, 21492918), (2, 10746459), (3, 7164306), (6, 3582153), (9, 2388102), (18, 1194051), (27, 796034), (54, 398017), (619, 34722), (643, 33426), (1238, 17361), (1286, 16713), (1857, 11574), (1929, 11142), (3714, 5787), (3858, 5571)]