21372216

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18947}}^1$

素因数の和:19003

約数の個数: 32

約数和(自身を含む): 54570240

約数和(自身を除く): 33198024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18947, 37894, 56841, 75788, 113682, 151576, 227364, 454728, 890509, 1781018, 2671527, 3562036, 5343054, 7124072, 10686108, 21372216]

約数ペア:

[(1, 21372216), (2, 10686108), (3, 7124072), (4, 5343054), (6, 3562036), (8, 2671527), (12, 1781018), (24, 890509), (47, 454728), (94, 227364), (141, 151576), (188, 113682), (282, 75788), (376, 56841), (564, 37894), (1128, 18947)]