21383974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{751}}^1$

素因数の和:1395

約数の個数: 16

約数和(自身を含む): 33569280

約数和(自身を除く): 12185306

約数列:

[1, 2, 23, 46, 619, 751, 1238, 1502, 14237, 17273, 28474, 34546, 464869, 929738, 10691987, 21383974]

約数ペア:

[(1, 21383974), (2, 10691987), (23, 929738), (46, 464869), (619, 34546), (751, 28474), (1238, 17273), (1502, 14237)]