21318016

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5743}}^1$

素因数の和:5786

約数の個数: 32

約数和(自身を含む): 43941600

約数和(自身を除く): 22623584

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5743, 11486, 22972, 45944, 91888, 166547, 183776, 333094, 367552, 666188, 735104, 1332376, 2664752, 5329504, 10659008, 21318016]

約数ペア:

[(1, 21318016), (2, 10659008), (4, 5329504), (8, 2664752), (16, 1332376), (29, 735104), (32, 666188), (58, 367552), (64, 333094), (116, 183776), (128, 166547), (232, 91888), (464, 45944), (928, 22972), (1856, 11486), (3712, 5743)]