21507008

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{3083}}^1$

素因数の和:3204

約数の個数: 28

約数和(自身を含む): 43083480

約数和(自身を除く): 21576472

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3083, 3488, 6166, 6976, 12332, 24664, 49328, 98656, 197312, 336047, 672094, 1344188, 2688376, 5376752, 10753504, 21507008]

約数ペア:

[(1, 21507008), (2, 10753504), (4, 5376752), (8, 2688376), (16, 1344188), (32, 672094), (64, 336047), (109, 197312), (218, 98656), (436, 49328), (872, 24664), (1744, 12332), (3083, 6976), (3488, 6166)]