21020996856

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20369183}}^1$

素因数の和:20369235

約数の個数: 32

約数和(自身を含む): 53774645760

約数和(自身を除く): 32753648904

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20369183, 40738366, 61107549, 81476732, 122215098, 162953464, 244430196, 488860392, 875874869, 1751749738, 2627624607, 3503499476, 5255249214, 7006998952, 10510498428, 21020996856]

約数ペア:

[(1, 21020996856), (2, 10510498428), (3, 7006998952), (4, 5255249214), (6, 3503499476), (8, 2627624607), (12, 1751749738), (24, 875874869), (43, 488860392), (86, 244430196), (129, 162953464), (172, 122215098), (258, 81476732), (344, 61107549), (516, 40738366), (1032, 20369183)]