21647214

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22691}}^1$

素因数の和:22752

約数の個数: 24

約数和(自身を含む): 47789352

約数和(自身を除く): 26142138

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22691, 45382, 68073, 136146, 204219, 408438, 1202623, 2405246, 3607869, 7215738, 10823607, 21647214]

約数ペア:

[(1, 21647214), (2, 10823607), (3, 7215738), (6, 3607869), (9, 2405246), (18, 1202623), (53, 408438), (106, 204219), (159, 136146), (318, 68073), (477, 45382), (954, 22691)]