21867595

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 7162805

約数列:

[1, 5, 23, 29, 79, 83, 115, 145, 395, 415, 667, 1817, 1909, 2291, 2407, 3335, 6557, 9085, 9545, 11455, 12035, 32785, 52693, 55361, 150811, 190153, 263465, 276805, 754055, 950765, 4373519, 21867595]

約数ペア:

[(1, 21867595), (5, 4373519), (23, 950765), (29, 754055), (79, 276805), (83, 263465), (115, 190153), (145, 150811), (395, 55361), (415, 52693), (667, 32785), (1817, 12035), (1909, 11455), (2291, 9545), (2407, 9085), (3335, 6557)]