21093720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175781}}^1$

素因数の和:175795

約数の個数: 32

約数和(自身を含む): 63281520

約数和(自身を除く): 42187800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175781, 351562, 527343, 703124, 878905, 1054686, 1406248, 1757810, 2109372, 2636715, 3515620, 4218744, 5273430, 7031240, 10546860, 21093720]

約数ペア:

[(1, 21093720), (2, 10546860), (3, 7031240), (4, 5273430), (5, 4218744), (6, 3515620), (8, 2636715), (10, 2109372), (12, 1757810), (15, 1406248), (20, 1054686), (24, 878905), (30, 703124), (40, 527343), (60, 351562), (120, 175781)]