21386784

素因数分解:

$2^5\times 3^1\times {\mathrm{222779}}^1$

素因数の和:222792

約数の個数: 24

約数和(自身を含む): 56140560

約数和(自身を除く): 34753776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 222779, 445558, 668337, 891116, 1336674, 1782232, 2673348, 3564464, 5346696, 7128928, 10693392, 21386784]

約数ペア:

[(1, 21386784), (2, 10693392), (3, 7128928), (4, 5346696), (6, 3564464), (8, 2673348), (12, 1782232), (16, 1336674), (24, 891116), (32, 668337), (48, 445558), (96, 222779)]