21580452824

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1\times {\mathrm{5987}}^1$

素因数の和:6528

約数の個数: 64

約数和(自身を含む): 46631669760

約数和(自身を除く): 25051216936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 337, 382, 674, 764, 1337, 1348, 1528, 2359, 2674, 2696, 4718, 5348, 5987, 9436, 10696, 11974, 18872, 23948, 41909, 47896, 64367, 83818, 128734, 167636, 257468, 335272, 450569, 514936, 901138, 1143517, 1802276, 2017619, 2287034, 3604552, 4035238, 4574068, 8004619, 8070476, 9148136, 14123333, 16009238, 16140952, 28246666, 32018476, 56493332, 64036952, 112986664, 385365229, 770730458, 1541460916, 2697556603, 3082921832, 5395113206, 10790226412, 21580452824]

約数ペア:

[(1, 21580452824), (2, 10790226412), (4, 5395113206), (7, 3082921832), (8, 2697556603), (14, 1541460916), (28, 770730458), (56, 385365229), (191, 112986664), (337, 64036952), (382, 56493332), (674, 32018476), (764, 28246666), (1337, 16140952), (1348, 16009238), (1528, 14123333), (2359, 9148136), (2674, 8070476), (2696, 8004619), (4718, 4574068), (5348, 4035238), (5987, 3604552), (9436, 2287034), (10696, 2017619), (11974, 1802276), (18872, 1143517), (23948, 901138), (41909, 514936), (47896, 450569), (64367, 335272), (83818, 257468), (128734, 167636)]