21237554

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3307}}^1$

素因数の和:3354

約数の個数: 24

約数和(自身を含む): 36321840

約数和(自身を除く): 15084286

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 3307, 6422, 6614, 42991, 62833, 85982, 125666, 558883, 816829, 1117766, 1633658, 10618777, 21237554]

約数ペア:

[(1, 21237554), (2, 10618777), (13, 1633658), (19, 1117766), (26, 816829), (38, 558883), (169, 125666), (247, 85982), (338, 62833), (494, 42991), (3211, 6614), (3307, 6422)]