21556114956

素因数分解:

$2^2\times 3^5\times {\mathrm{2819}}^1\times {\mathrm{7867}}^1$

素因数の和:10705

約数の個数: 72

約数和(自身を含む): 56534412480

約数和(自身を除く): 34978297524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 2819, 5638, 7867, 8457, 11276, 15734, 16914, 23601, 25371, 31468, 33828, 47202, 50742, 70803, 76113, 94404, 101484, 141606, 152226, 212409, 228339, 283212, 304452, 424818, 456678, 637227, 685017, 849636, 913356, 1274454, 1370034, 1911681, 2548908, 2740068, 3823362, 7646724, 22177073, 44354146, 66531219, 88708292, 133062438, 199593657, 266124876, 399187314, 598780971, 798374628, 1197561942, 1796342913, 2395123884, 3592685826, 5389028739, 7185371652, 10778057478, 21556114956]

約数ペア:

[(1, 21556114956), (2, 10778057478), (3, 7185371652), (4, 5389028739), (6, 3592685826), (9, 2395123884), (12, 1796342913), (18, 1197561942), (27, 798374628), (36, 598780971), (54, 399187314), (81, 266124876), (108, 199593657), (162, 133062438), (243, 88708292), (324, 66531219), (486, 44354146), (972, 22177073), (2819, 7646724), (5638, 3823362), (7867, 2740068), (8457, 2548908), (11276, 1911681), (15734, 1370034), (16914, 1274454), (23601, 913356), (25371, 849636), (31468, 685017), (33828, 637227), (47202, 456678), (50742, 424818), (70803, 304452), (76113, 283212), (94404, 228339), (101484, 212409), (141606, 152226)]