21708202376

素因数分解:

$2^3\times 7^1\times {\mathrm{18371}}^1\times {\mathrm{21101}}^1$

素因数の和:39485

約数の個数: 32

約数和(自身を含む): 46522313280

約数和(自身を除く): 24814110904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 18371, 21101, 36742, 42202, 73484, 84404, 128597, 146968, 147707, 168808, 257194, 295414, 514388, 590828, 1028776, 1181656, 387646471, 775292942, 1550585884, 2713525297, 3101171768, 5427050594, 10854101188, 21708202376]

約数ペア:

[(1, 21708202376), (2, 10854101188), (4, 5427050594), (7, 3101171768), (8, 2713525297), (14, 1550585884), (28, 775292942), (56, 387646471), (18371, 1181656), (21101, 1028776), (36742, 590828), (42202, 514388), (73484, 295414), (84404, 257194), (128597, 168808), (146968, 147707)]