21309312

素因数分解:

$2^7\times 3^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 57087360

約数和(自身を除く): 35778048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 263, 384, 422, 526, 633, 789, 844, 1052, 1266, 1578, 1688, 2104, 2532, 3156, 3376, 4208, 5064, 6312, 6752, 8416, 10128, 12624, 13504, 16832, 20256, 25248, 27008, 33664, 40512, 50496, 55493, 81024, 100992, 110986, 166479, 221972, 332958, 443944, 665916, 887888, 1331832, 1775776, 2663664, 3551552, 5327328, 7103104, 10654656, 21309312]

約数ペア:

[(1, 21309312), (2, 10654656), (3, 7103104), (4, 5327328), (6, 3551552), (8, 2663664), (12, 1775776), (16, 1331832), (24, 887888), (32, 665916), (48, 443944), (64, 332958), (96, 221972), (128, 166479), (192, 110986), (211, 100992), (263, 81024), (384, 55493), (422, 50496), (526, 40512), (633, 33664), (789, 27008), (844, 25248), (1052, 20256), (1266, 16832), (1578, 13504), (1688, 12624), (2104, 10128), (2532, 8416), (3156, 6752), (3376, 6312), (4208, 5064)]