20210831104

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{17159}}^1$

素因数の和:17325

約数の個数: 72

約数和(自身を含む): 41669147520

約数和(自身を除く): 21458316416

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 107, 128, 172, 214, 256, 344, 428, 688, 856, 1376, 1712, 2752, 3424, 4601, 5504, 6848, 9202, 11008, 13696, 17159, 18404, 27392, 34318, 36808, 68636, 73616, 137272, 147232, 274544, 294464, 549088, 588928, 737837, 1098176, 1177856, 1475674, 1836013, 2196352, 2951348, 3672026, 4392704, 5902696, 7344052, 11805392, 14688104, 23610784, 29376208, 47221568, 58752416, 78948559, 94443136, 117504832, 157897118, 188886272, 235009664, 315794236, 470019328, 631588472, 1263176944, 2526353888, 5052707776, 10105415552, 20210831104]

約数ペア:

[(1, 20210831104), (2, 10105415552), (4, 5052707776), (8, 2526353888), (16, 1263176944), (32, 631588472), (43, 470019328), (64, 315794236), (86, 235009664), (107, 188886272), (128, 157897118), (172, 117504832), (214, 94443136), (256, 78948559), (344, 58752416), (428, 47221568), (688, 29376208), (856, 23610784), (1376, 14688104), (1712, 11805392), (2752, 7344052), (3424, 5902696), (4601, 4392704), (5504, 3672026), (6848, 2951348), (9202, 2196352), (11008, 1836013), (13696, 1475674), (17159, 1177856), (18404, 1098176), (27392, 737837), (34318, 588928), (36808, 549088), (68636, 294464), (73616, 274544), (137272, 147232)]