21089969117

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{983}}^1\times {\mathrm{19037}}^1$

素因数の和:20057

約数の個数: 24

約数和(自身を含む): 25627280256

約数和(自身を除く): 4537311139

約数列:

[1, 7, 23, 49, 161, 983, 1127, 6881, 19037, 22609, 48167, 133259, 158263, 437851, 932813, 1107841, 3064957, 18713371, 21454699, 130993597, 430407533, 916955179, 3012852731, 21089969117]

約数ペア:

[(1, 21089969117), (7, 3012852731), (23, 916955179), (49, 430407533), (161, 130993597), (983, 21454699), (1127, 18713371), (6881, 3064957), (19037, 1107841), (22609, 932813), (48167, 437851), (133259, 158263)]