21465325

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5333}}^1$

素因数の和:5373

約数の個数: 24

約数和(自身を含む): 31747968

約数和(自身を除く): 10282643

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5333, 26665, 37331, 122659, 133325, 186655, 613295, 858613, 933275, 3066475, 4293065, 21465325]

約数ペア:

[(1, 21465325), (5, 4293065), (7, 3066475), (23, 933275), (25, 858613), (35, 613295), (115, 186655), (161, 133325), (175, 122659), (575, 37331), (805, 26665), (4025, 5333)]