21512172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{162971}}^1$

素因数の和:162989

約数の個数: 24

約数和(自身を含む): 54758592

約数和(自身を除く): 33246420

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 162971, 325942, 488913, 651884, 977826, 1792681, 1955652, 3585362, 5378043, 7170724, 10756086, 21512172]

約数ペア:

[(1, 21512172), (2, 10756086), (3, 7170724), (4, 5378043), (6, 3585362), (11, 1955652), (12, 1792681), (22, 977826), (33, 651884), (44, 488913), (66, 325942), (132, 162971)]