21873780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40507}}^1$

素因数の和:40525

約数の個数: 48

約数和(自身を含む): 68053440

約数和(自身を除く): 46179660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40507, 81014, 121521, 162028, 202535, 243042, 364563, 405070, 486084, 607605, 729126, 810140, 1093689, 1215210, 1458252, 1822815, 2187378, 2430420, 3645630, 4374756, 5468445, 7291260, 10936890, 21873780]

約数ペア:

[(1, 21873780), (2, 10936890), (3, 7291260), (4, 5468445), (5, 4374756), (6, 3645630), (9, 2430420), (10, 2187378), (12, 1822815), (15, 1458252), (18, 1215210), (20, 1093689), (27, 810140), (30, 729126), (36, 607605), (45, 486084), (54, 405070), (60, 364563), (90, 243042), (108, 202535), (135, 162028), (180, 121521), (270, 81014), (540, 40507)]