21000539966

素因数分解:

$2^1\times 7^1\times {\mathrm{3203}}^1\times {\mathrm{468323}}^1$

素因数の和:471535

約数の個数: 16

約数和(自身を含む): 36012242304

約数和(自身を除く): 15011702338

約数列:

[1, 2, 7, 14, 3203, 6406, 22421, 44842, 468323, 936646, 3278261, 6556522, 1500038569, 3000077138, 10500269983, 21000539966]

約数ペア:

[(1, 21000539966), (2, 10500269983), (7, 3000077138), (14, 1500038569), (3203, 6556522), (6406, 3278261), (22421, 936646), (44842, 468323)]