21501704

素因数分解:

$2^3\times 7^1\times {\mathrm{599}}^1\times {\mathrm{641}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 46224000

約数和(自身を除く): 24722296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 599, 641, 1198, 1282, 2396, 2564, 4193, 4487, 4792, 5128, 8386, 8974, 16772, 17948, 33544, 35896, 383959, 767918, 1535836, 2687713, 3071672, 5375426, 10750852, 21501704]

約数ペア:

[(1, 21501704), (2, 10750852), (4, 5375426), (7, 3071672), (8, 2687713), (14, 1535836), (28, 767918), (56, 383959), (599, 35896), (641, 33544), (1198, 17948), (1282, 16772), (2396, 8974), (2564, 8386), (4193, 5128), (4487, 4792)]