21182014

素因数分解:

$2^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{653}}^1$

素因数の和:1000

約数の個数: 24

約数和(自身を含む): 37128888

約数和(自身を除く): 15946874

約数列:

[1, 2, 7, 14, 49, 98, 331, 653, 662, 1306, 2317, 4571, 4634, 9142, 16219, 31997, 32438, 63994, 216143, 432286, 1513001, 3026002, 10591007, 21182014]

約数ペア:

[(1, 21182014), (2, 10591007), (7, 3026002), (14, 1513001), (49, 432286), (98, 216143), (331, 63994), (653, 32438), (662, 31997), (1306, 16219), (2317, 9142), (4571, 4634)]