21803768

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4691}}^1$

素因数の和:4787

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 25491592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 4691, 9382, 18764, 32837, 37528, 65674, 131348, 262696, 389353, 778706, 1557412, 2725471, 3114824, 5450942, 10901884, 21803768]

約数ペア:

[(1, 21803768), (2, 10901884), (4, 5450942), (7, 3114824), (8, 2725471), (14, 1557412), (28, 778706), (56, 389353), (83, 262696), (166, 131348), (332, 65674), (581, 37528), (664, 32837), (1162, 18764), (2324, 9382), (4648, 4691)]