21336865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1709}}^1$

素因数の和:1952

約数の個数: 16

約数和(自身を含む): 28071360

約数和(自身を除く): 6734495

約数列:

[1, 5, 11, 55, 227, 1135, 1709, 2497, 8545, 12485, 18799, 93995, 387943, 1939715, 4267373, 21336865]

約数ペア:

[(1, 21336865), (5, 4267373), (11, 1939715), (55, 387943), (227, 93995), (1135, 18799), (1709, 12485), (2497, 8545)]