21752752

素因数分解:

$2^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1163}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 48496896

約数和(自身を除く): 26744144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167, 334, 668, 1163, 1169, 1336, 2326, 2338, 2672, 4652, 4676, 8141, 9304, 9352, 16282, 18608, 18704, 32564, 65128, 130256, 194221, 388442, 776884, 1359547, 1553768, 2719094, 3107536, 5438188, 10876376, 21752752]

約数ペア:

[(1, 21752752), (2, 10876376), (4, 5438188), (7, 3107536), (8, 2719094), (14, 1553768), (16, 1359547), (28, 776884), (56, 388442), (112, 194221), (167, 130256), (334, 65128), (668, 32564), (1163, 18704), (1169, 18608), (1336, 16282), (2326, 9352), (2338, 9304), (2672, 8141), (4652, 4676)]