21343280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38113}}^1$

素因数の和:38133

約数の個数: 40

約数和(自身を含む): 56713632

約数和(自身を除く): 35370352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38113, 76226, 152452, 190565, 266791, 304904, 381130, 533582, 609808, 762260, 1067164, 1333955, 1524520, 2134328, 2667910, 3049040, 4268656, 5335820, 10671640, 21343280]

約数ペア:

[(1, 21343280), (2, 10671640), (4, 5335820), (5, 4268656), (7, 3049040), (8, 2667910), (10, 2134328), (14, 1524520), (16, 1333955), (20, 1067164), (28, 762260), (35, 609808), (40, 533582), (56, 381130), (70, 304904), (80, 266791), (112, 190565), (140, 152452), (280, 76226), (560, 38113)]