21051984

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25799}}^1$

素因数の和:25827

約数の個数: 40

約数和(自身を含む): 57585600

約数和(自身を除く): 36533616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25799, 51598, 77397, 103196, 154794, 206392, 309588, 412784, 438583, 619176, 877166, 1238352, 1315749, 1754332, 2631498, 3508664, 5262996, 7017328, 10525992, 21051984]

約数ペア:

[(1, 21051984), (2, 10525992), (3, 7017328), (4, 5262996), (6, 3508664), (8, 2631498), (12, 1754332), (16, 1315749), (17, 1238352), (24, 877166), (34, 619176), (48, 438583), (51, 412784), (68, 309588), (102, 206392), (136, 154794), (204, 103196), (272, 77397), (408, 51598), (816, 25799)]