21682323

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 35574000

約数和(自身を除く): 13891677

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 349, 351, 531, 767, 1047, 1053, 1593, 2301, 3141, 4537, 4779, 6903, 9423, 13611, 20591, 20709, 28269, 40833, 61773, 62127, 122499, 185319, 267683, 367497, 555957, 803049, 1667871, 2409147, 7227441, 21682323]

約数ペア:

[(1, 21682323), (3, 7227441), (9, 2409147), (13, 1667871), (27, 803049), (39, 555957), (59, 367497), (81, 267683), (117, 185319), (177, 122499), (349, 62127), (351, 61773), (531, 40833), (767, 28269), (1047, 20709), (1053, 20591), (1593, 13611), (2301, 9423), (3141, 6903), (4537, 4779)]