21507183

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4337}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 33836400

約数和(自身を除く): 12329217

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4337, 4959, 13011, 39033, 82403, 125773, 247209, 377319, 741627, 1131957, 2389687, 7169061, 21507183]

約数ペア:

[(1, 21507183), (3, 7169061), (9, 2389687), (19, 1131957), (29, 741627), (57, 377319), (87, 247209), (171, 125773), (261, 82403), (551, 39033), (1653, 13011), (4337, 4959)]