21426685

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 31426560

約数和(自身を除く): 9999875

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 619, 805, 989, 1505, 3095, 4333, 4945, 6923, 14237, 21665, 26617, 34615, 71185, 99659, 133085, 186319, 498295, 612191, 931595, 3060955, 4285337, 21426685]

約数ペア:

[(1, 21426685), (5, 4285337), (7, 3060955), (23, 931595), (35, 612191), (43, 498295), (115, 186319), (161, 133085), (215, 99659), (301, 71185), (619, 34615), (805, 26617), (989, 21665), (1505, 14237), (3095, 6923), (4333, 4945)]