21352336

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22619}}^1$

素因数の和:22686

約数の個数: 20

約数和(自身を含む): 42073200

約数和(自身を除く): 20720864

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22619, 45238, 90476, 180952, 361904, 1334521, 2669042, 5338084, 10676168, 21352336]

約数ペア:

[(1, 21352336), (2, 10676168), (4, 5338084), (8, 2669042), (16, 1334521), (59, 361904), (118, 180952), (236, 90476), (472, 45238), (944, 22619)]