21442400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{547}}^1$

素因数の和:581

約数の個数: 108

約数和(自身を含む): 61003908

約数和(自身を除く): 39561508

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 547, 560, 700, 784, 800, 980, 1094, 1120, 1225, 1400, 1568, 1960, 2188, 2450, 2735, 2800, 3829, 3920, 4376, 4900, 5470, 5600, 7658, 7840, 8752, 9800, 10940, 13675, 15316, 17504, 19145, 19600, 21880, 26803, 27350, 30632, 38290, 39200, 43760, 53606, 54700, 61264, 76580, 87520, 95725, 107212, 109400, 122528, 134015, 153160, 191450, 214424, 218800, 268030, 306320, 382900, 428848, 437600, 536060, 612640, 670075, 765800, 857696, 1072120, 1340150, 1531600, 2144240, 2680300, 3063200, 4288480, 5360600, 10721200, 21442400]

約数ペア:

[(1, 21442400), (2, 10721200), (4, 5360600), (5, 4288480), (7, 3063200), (8, 2680300), (10, 2144240), (14, 1531600), (16, 1340150), (20, 1072120), (25, 857696), (28, 765800), (32, 670075), (35, 612640), (40, 536060), (49, 437600), (50, 428848), (56, 382900), (70, 306320), (80, 268030), (98, 218800), (100, 214424), (112, 191450), (140, 153160), (160, 134015), (175, 122528), (196, 109400), (200, 107212), (224, 95725), (245, 87520), (280, 76580), (350, 61264), (392, 54700), (400, 53606), (490, 43760), (547, 39200), (560, 38290), (700, 30632), (784, 27350), (800, 26803), (980, 21880), (1094, 19600), (1120, 19145), (1225, 17504), (1400, 15316), (1568, 13675), (1960, 10940), (2188, 9800), (2450, 8752), (2735, 7840), (2800, 7658), (3829, 5600), (3920, 5470), (4376, 4900)]