21464072

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20173}}^1$

素因数の和:20205

約数の個数: 32

約数和(自身を含む): 48417600

約数和(自身を除く): 26953528

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20173, 40346, 80692, 141211, 161384, 282422, 383287, 564844, 766574, 1129688, 1533148, 2683009, 3066296, 5366018, 10732036, 21464072]

約数ペア:

[(1, 21464072), (2, 10732036), (4, 5366018), (7, 3066296), (8, 2683009), (14, 1533148), (19, 1129688), (28, 766574), (38, 564844), (56, 383287), (76, 282422), (133, 161384), (152, 141211), (266, 80692), (532, 40346), (1064, 20173)]