21305328

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{40351}}^1$

素因数の和:40373

約数の個数: 40

約数和(自身を含む): 60043776

約数和(自身を除く): 38738448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 40351, 80702, 121053, 161404, 242106, 322808, 443861, 484212, 645616, 887722, 968424, 1331583, 1775444, 1936848, 2663166, 3550888, 5326332, 7101776, 10652664, 21305328]

約数ペア:

[(1, 21305328), (2, 10652664), (3, 7101776), (4, 5326332), (6, 3550888), (8, 2663166), (11, 1936848), (12, 1775444), (16, 1331583), (22, 968424), (24, 887722), (33, 645616), (44, 484212), (48, 443861), (66, 322808), (88, 242106), (132, 161404), (176, 121053), (264, 80702), (528, 40351)]