21818312

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 19999288

約数列:

[1, 2, 4, 8, 109, 131, 191, 218, 262, 382, 436, 524, 764, 872, 1048, 1528, 14279, 20819, 25021, 28558, 41638, 50042, 57116, 83276, 100084, 114232, 166552, 200168, 2727289, 5454578, 10909156, 21818312]

約数ペア:

[(1, 21818312), (2, 10909156), (4, 5454578), (8, 2727289), (109, 200168), (131, 166552), (191, 114232), (218, 100084), (262, 83276), (382, 57116), (436, 50042), (524, 41638), (764, 28558), (872, 25021), (1048, 20819), (1528, 14279)]