21727725

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1373}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 36119712

約数和(自身を除く): 14391987

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1373, 3165, 4119, 5275, 6865, 15825, 20595, 34325, 102975, 289703, 869109, 1448515, 4345545, 7242575, 21727725]

約数ペア:

[(1, 21727725), (3, 7242575), (5, 4345545), (15, 1448515), (25, 869109), (75, 289703), (211, 102975), (633, 34325), (1055, 20595), (1373, 15825), (3165, 6865), (4119, 5275)]