21004656

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25741}}^1$

素因数の和:25769

約数の個数: 40

約数和(自身を含む): 57456144

約数和(自身を除く): 36451488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25741, 51482, 77223, 102964, 154446, 205928, 308892, 411856, 437597, 617784, 875194, 1235568, 1312791, 1750388, 2625582, 3500776, 5251164, 7001552, 10502328, 21004656]

約数ペア:

[(1, 21004656), (2, 10502328), (3, 7001552), (4, 5251164), (6, 3500776), (8, 2625582), (12, 1750388), (16, 1312791), (17, 1235568), (24, 875194), (34, 617784), (48, 437597), (51, 411856), (68, 308892), (102, 205928), (136, 154446), (204, 102964), (272, 77223), (408, 51482), (816, 25741)]