21747799045

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{51137}}^1$

素因数の和:51597

約数の個数: 32

約数和(自身を含む): 30928262400

約数和(自身を除く): 9180463355

約数列:

[1, 5, 7, 29, 35, 145, 203, 419, 1015, 2095, 2933, 12151, 14665, 51137, 60755, 85057, 255685, 357959, 425285, 1482973, 1789795, 7414865, 10380811, 21426403, 51904055, 107132015, 149984821, 621365687, 749924105, 3106828435, 4349559809, 21747799045]

約数ペア:

[(1, 21747799045), (5, 4349559809), (7, 3106828435), (29, 749924105), (35, 621365687), (145, 149984821), (203, 107132015), (419, 51904055), (1015, 21426403), (2095, 10380811), (2933, 7414865), (12151, 1789795), (14665, 1482973), (51137, 425285), (60755, 357959), (85057, 255685)]