21119928

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28387}}^1$

素因数の和:28427

約数の個数: 32

約数和(自身を含む): 54504960

約数和(自身を除く): 33385032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28387, 56774, 85161, 113548, 170322, 227096, 340644, 681288, 879997, 1759994, 2639991, 3519988, 5279982, 7039976, 10559964, 21119928]

約数ペア:

[(1, 21119928), (2, 10559964), (3, 7039976), (4, 5279982), (6, 3519988), (8, 2639991), (12, 1759994), (24, 879997), (31, 681288), (62, 340644), (93, 227096), (124, 170322), (186, 113548), (248, 85161), (372, 56774), (744, 28387)]