21331752

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{68371}}^1$

素因数の和:68393

約数の個数: 32

約数和(自身を含む): 57432480

約数和(自身を除く): 36100728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 68371, 136742, 205113, 273484, 410226, 546968, 820452, 888823, 1640904, 1777646, 2666469, 3555292, 5332938, 7110584, 10665876, 21331752]

約数ペア:

[(1, 21331752), (2, 10665876), (3, 7110584), (4, 5332938), (6, 3555292), (8, 2666469), (12, 1777646), (13, 1640904), (24, 888823), (26, 820452), (39, 546968), (52, 410226), (78, 273484), (104, 205113), (156, 136742), (312, 68371)]