21376235

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2711}}^1$

素因数の和:2818

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 5960725

約数列:

[1, 5, 19, 83, 95, 415, 1577, 2711, 7885, 13555, 51509, 225013, 257545, 1125065, 4275247, 21376235]

約数ペア:

[(1, 21376235), (5, 4275247), (19, 1125065), (83, 257545), (95, 225013), (415, 51509), (1577, 13555), (2711, 7885)]