21120072

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{38261}}^1$

素因数の和:38293

約数の個数: 32

約数和(自身を含む): 55097280

約数和(自身を除く): 33977208

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 38261, 76522, 114783, 153044, 229566, 306088, 459132, 880003, 918264, 1760006, 2640009, 3520012, 5280018, 7040024, 10560036, 21120072]

約数ペア:

[(1, 21120072), (2, 10560036), (3, 7040024), (4, 5280018), (6, 3520012), (8, 2640009), (12, 1760006), (23, 918264), (24, 880003), (46, 459132), (69, 306088), (92, 229566), (138, 153044), (184, 114783), (276, 76522), (552, 38261)]