21000314636

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18292957}}^1$

素因数の和:18293009

約数の個数: 24

約数和(自身を含む): 43025037216

約数和(自身を除く): 22024722580

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18292957, 36585914, 73171828, 128050699, 256101398, 512202796, 750011237, 1500022474, 3000044948, 5250078659, 10500157318, 21000314636]

約数ペア:

[(1, 21000314636), (2, 10500157318), (4, 5250078659), (7, 3000044948), (14, 1500022474), (28, 750011237), (41, 512202796), (82, 256101398), (164, 128050699), (287, 73171828), (574, 36585914), (1148, 18292957)]