21701670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16823}}^1$

素因数の和:16876

約数の個数: 32

約数和(自身を含む): 53298432

約数和(自身を除く): 31596762

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16823, 33646, 50469, 84115, 100938, 168230, 252345, 504690, 723389, 1446778, 2170167, 3616945, 4340334, 7233890, 10850835, 21701670]

約数ペア:

[(1, 21701670), (2, 10850835), (3, 7233890), (5, 4340334), (6, 3616945), (10, 2170167), (15, 1446778), (30, 723389), (43, 504690), (86, 252345), (129, 168230), (215, 100938), (258, 84115), (430, 50469), (645, 33646), (1290, 16823)]