21236498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{907}}^1$

素因数の和:1441

約数の個数: 16

約数和(自身を含む): 33341760

約数和(自身を除く): 12105262

約数列:

[1, 2, 23, 46, 509, 907, 1018, 1814, 11707, 20861, 23414, 41722, 461663, 923326, 10618249, 21236498]

約数ペア:

[(1, 21236498), (2, 10618249), (23, 923326), (46, 461663), (509, 41722), (907, 23414), (1018, 20861), (1814, 11707)]