21156072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{125929}}^1$

素因数の和:125945

約数の個数: 32

約数和(自身を含む): 60446400

約数和(自身を除く): 39290328

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 125929, 251858, 377787, 503716, 755574, 881503, 1007432, 1511148, 1763006, 2644509, 3022296, 3526012, 5289018, 7052024, 10578036, 21156072]

約数ペア:

[(1, 21156072), (2, 10578036), (3, 7052024), (4, 5289018), (6, 3526012), (7, 3022296), (8, 2644509), (12, 1763006), (14, 1511148), (21, 1007432), (24, 881503), (28, 755574), (42, 503716), (56, 377787), (84, 251858), (168, 125929)]