21331884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253951}}^1$

素因数の和:253965

約数の個数: 24

約数和(自身を含む): 56885248

約数和(自身を除く): 35553364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253951, 507902, 761853, 1015804, 1523706, 1777657, 3047412, 3555314, 5332971, 7110628, 10665942, 21331884]

約数ペア:

[(1, 21331884), (2, 10665942), (3, 7110628), (4, 5332971), (6, 3555314), (7, 3047412), (12, 1777657), (14, 1523706), (21, 1015804), (28, 761853), (42, 507902), (84, 253951)]