21729641

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 1771159

約数列:

[1, 23, 59, 67, 239, 1357, 1541, 3953, 5497, 14101, 16013, 90919, 324323, 368299, 944767, 21729641]

約数ペア:

[(1, 21729641), (23, 944767), (59, 368299), (67, 324323), (239, 90919), (1357, 16013), (1541, 14101), (3953, 5497)]