21784038

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5209}}^1$

素因数の和:5272

約数の個数: 32

約数和(自身を含む): 47265120

約数和(自身を除く): 25481082

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 697, 1394, 2091, 4182, 5209, 10418, 15627, 31254, 88553, 177106, 213569, 265659, 427138, 531318, 640707, 1281414, 3630673, 7261346, 10892019, 21784038]

約数ペア:

[(1, 21784038), (2, 10892019), (3, 7261346), (6, 3630673), (17, 1281414), (34, 640707), (41, 531318), (51, 427138), (82, 265659), (102, 213569), (123, 177106), (246, 88553), (697, 31254), (1394, 15627), (2091, 10418), (4182, 5209)]