21317912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34607}}^1$

素因数の和:34631

約数の個数: 32

約数和(自身を含む): 49835520

約数和(自身を除く): 28517608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34607, 69214, 138428, 242249, 276856, 380677, 484498, 761354, 968996, 1522708, 1937992, 2664739, 3045416, 5329478, 10658956, 21317912]

約数ペア:

[(1, 21317912), (2, 10658956), (4, 5329478), (7, 3045416), (8, 2664739), (11, 1937992), (14, 1522708), (22, 968996), (28, 761354), (44, 484498), (56, 380677), (77, 276856), (88, 242249), (154, 138428), (308, 69214), (616, 34607)]