21197804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176648371}}^1$

素因数の和:176648385

約数の個数: 32

約数和(自身を含む): 63593413920

約数和(自身を除く): 42395609400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176648371, 353296742, 529945113, 706593484, 883241855, 1059890226, 1413186968, 1766483710, 2119780452, 2649725565, 3532967420, 4239560904, 5299451130, 7065934840, 10598902260, 21197804520]

約数ペア:

[(1, 21197804520), (2, 10598902260), (3, 7065934840), (4, 5299451130), (5, 4239560904), (6, 3532967420), (8, 2649725565), (10, 2119780452), (12, 1766483710), (15, 1413186968), (20, 1059890226), (24, 883241855), (30, 706593484), (40, 529945113), (60, 353296742), (120, 176648371)]